Clamp

Abstract

The clamp comprises a bottom plate, a supporting plate, a rotating shaft and a clamping assembly used for clamping a part to be fixed, the bottom plate is fixedly connected with the supporting plate, the rotating shaft penetrates through the supporting plate in the direction of the central axis of the bottom plate and is rotationally connected with the supporting plate, the supporting plate is provided with a moving space, and the moving space is arranged in the moving space. The clamping assembly is connected with the rotating shaft and can axially move in the moving space when the rotating shaft rotates, and a limiting structure is arranged between the bottom plate and the rotating shaft and / or the supporting plate and the clamping assembly are / is provided with a limiting structure. According to the clamp, the stability of the clamp in the using process can be improved, and the clamping effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of clamps, in particular to a clamp. BACKGROUND

[0002] At present, when small electronic products such as mobile phones are repaired or detected, the product often needs to be fixed first, especially the PCB board, chip and other small and precise components. Specifically, the size of the clamping space can be adjusted by controlling the movement of the clamping block on the clamp in the axial direction, and then the clamping component to be clamped is clamped in the clamping space. However, due to the existence of machining tolerance in the existing clamp, the clamping block on the finished product clamp produced will produce shaking or left and right swinging in the axial direction, and then unstable clamping or misplacement may occur; and the clamping block may also be raised, which may scratch the surface of the clamp for a long time, causing scratches.

[0003] Therefore, to provide a clamp to improve the clamping stability of the clamp has become a technical problem to be solved. SUMMARY

[0004] Based on the above status, the main purpose of the utility model is to provide a clamp to improve the clamping stability of the clamp.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] In the first aspect, the utility model discloses a clamp, which comprises a bottom plate, a supporting plate, a rotating shaft and a clamping assembly for clamping a component to be fixed, the bottom plate is fixedly connected with the supporting plate, the rotating shaft passes through the supporting plate along the central axis direction of the bottom plate and is rotatably connected with the supporting plate, the supporting plate is provided with a movable space, the clamping assembly is connected with the rotating shaft and can move axially in the movable space when the rotating shaft rotates, wherein:

[0007] A first pearl turning assembly is fixedly arranged at the center of the bottom plate;

[0008] The rotating shaft is circumferentially provided with an annular groove matched with the first pearl turning assembly, and when the rotating shaft is rotatably connected with the supporting plate, the first pearl turning assembly is located in the annular groove.

[0009] Optionally, the annular groove is a V-shaped groove.

[0010] Optionally, the two sides of the annular groove are provided with a first thread and a second thread, wherein the thread directions of the first thread and the second thread are opposite, and the clamping assembly is connected with the threaded part of the rotating shaft.

[0011] Optionally, the clamping assembly comprises:

[0012] a base located in the active space and connected with the rotating shaft;

[0013] a clamping block fixedly connected with the base and located outside the active space, used for clamping the component to be fixed.

[0014] Optionally, the clamping assembly further comprises:

[0015] a clamping piece fixedly arranged between the base and the clamping block, used for clamping the component to be fixed.

[0016] In the second aspect, the utility model discloses a clamp, including bottom plate, support plate, rotating shaft and the clamping assembly for clamping the component to be fixed, the bottom plate with support plate fixed connection, the rotating shaft passes through support plate along the middle axis direction of bottom plate and is connected with support plate rotation, be provided with active space on support plate, the clamping assembly with rotating shaft rotation is connected with, and can axial movement in active space, wherein:

[0017] The bottom of the support plate is further provided with an axial slot;

[0018] The clamping assembly is further provided with a second pearl assembly matched with the axial slot, and when the clamping assembly is rotationally connected with the rotating shaft, the second pearl assembly is located in the axial slot.

[0019] Optionally, the axial slot is a V-shaped slot.

[0020] Optionally, the clamping assembly comprises:

[0021] a base located in the active space and connected with the rotating shaft;

[0022] a clamping block fixedly connected with the base and located outside the active space, used for clamping the component to be fixed.

[0023] Optionally, the bottom of the base is provided with a lug, and the second pearl assembly is arranged on the lug.

[0024] The bottom of the active space is in a stepped shape, and the axial slot is arranged on the step of the bottom of the active space.

[0025] Optionally, the clamping assembly further comprises:

[0026] a clamping piece fixedly arranged between the base and the clamping block, used for clamping the component to be fixed.

[0027] Beneficial effects:

[0028] According to the first aspect of the utility model embodiment, a clamp is disclosed, including bottom plate, support plate, pivot and the clamping assembly for clamping the component to be fixed, wherein, the center of bottom plate is fixedly provided with first pearl component, the circumference of pivot is provided with annular groove that cooperates with first pearl component, when pivot is rotatably connected with support plate, first pearl component is located in annular groove. Through setting first pearl component and annular groove, the clamping relationship between first pearl component and annular groove is utilized to limit the displacement of pivot in the axial direction, so that the position of pivot in the axial direction is fixed, thereby avoiding the displacement of pivot in the axial direction from causing the clamping assembly connected with pivot to shake, and further improving the stability of the clamp during use and improving the clamping effect.

[0029] According to the second aspect of the utility model embodiment, a clamp is disclosed, including bottom plate, support plate, pivot and the clamping assembly for clamping the component to be fixed, wherein, the bottom of support plate is further provided with axial slot, and the second pearl component that cooperates with axial slot is arranged on the clamping assembly, when the clamping assembly is rotatably connected with pivot, the second pearl component is located in axial slot. Through setting axial slot and second pearl component, the clamping relationship between axial slot and second pearl component is utilized to limit the clamping assembly, avoid the rotation of clamping assembly, and further improve the stability of the clamp during use and improve the clamping effect.

[0030] Other beneficial effects of the utility model will be described in the specific implementation mode through the introduction of specific technical features and technical solutions, and those skilled in the art should understand the beneficial technical effects brought by the technical features and technical solutions through the introduction of these technical features and technical solutions. BRIEF DESCRIPTION OF DRAWINGS

[0031] The preferred embodiment of the utility model's clamp will be described below with reference to the drawings. In the drawings:

[0032] Figure 1 It is the structural schematic diagram of the clamp disclosed in the embodiment;

[0033] Figure 2 It is the cooperation relationship schematic diagram between the bottom plate, support plate and pivot in the clamp disclosed in the embodiment;

[0034] Figure 3 It is the cooperation relationship schematic diagram between pivot and bottom plate in the clamp disclosed in the embodiment;

[0035] Figure 4 It is the structural schematic diagram of the clamping assembly in the clamp provided in the embodiment;

[0036] Figure 5 It is the bottom surface structural schematic diagram of another clamp disclosed in the embodiment;

[0037] Figure 6 Another fixture provided for the embodiment of the clamping assembly structure schematic. DETAILED DESCRIPTION

[0038] The utility model is described below based on the embodiments, but the utility model is not limited to these embodiments. In the following detailed description of the utility model, some specific details are described in detail in order to avoid confusion of the essence of the utility model, and the well-known methods, processes, procedures and elements are not described in detail.

[0039] In addition, those skilled in the art should understand that the drawings provided herein are for illustrative purposes only, and the drawings are not necessarily drawn to scale.

[0040] Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is to say, in the sense of "including, but not limited to".

[0041] In the description of the utility model, it should be understood that the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance. In addition, in the description of the utility model, unless otherwise stated, the meaning of "multiple" is two or more.

[0042] In order to avoid the shaking of the fixture due to the existence of tolerance and the like, and to improve the clamping stability of the fixture, the embodiment discloses a fixture, please refer to Figure 1 and Figure 2 , Figure 1 The structure diagram of the fixture disclosed by the embodiment is shown in Figure 2 The cooperation relationship between the bottom plate, the supporting plate and the rotating shaft in the fixture disclosed by the embodiment is shown in the schematic diagram.

[0043] As Figure 1 and Figure 2 shown, the fixture includes a bottom plate 11, a supporting plate 12, a rotating shaft 13 and a clamping assembly 14. Among them, the bottom plate 11 is fixedly connected with the supporting plate 12, the rotating shaft 13 passes through the supporting plate 12 along the central axis direction of the bottom plate 11 and is rotatably connected with the supporting plate 12, the supporting plate 12 is provided with a moving space 121, the clamping assembly 14 is connected with the rotating shaft 13 and can move axially in the moving space 121 when the rotating shaft 13 rotates.

[0044] In the embodiment, screw holes can be arranged on the bottom plate 11 and the support plate 12, and the bottom plate 11 and the support plate 12 can be fixedly connected by means of screws. It can be understood that the bottom plate 11 and the support plate 12 can also be fixedly connected by means of clamping or gluing or other manners. In the specific implementation process, the shape of the bottom plate 11 can be circular or other shapes, and preferably, the shape of the support plate 12 is the same as that of the bottom plate 11.

[0045] The rotating shaft 13 passes through the support plate 12 along the central axis direction of the bottom plate 11, that is, the position of the rotating shaft 13 is on the central axis of the entire clamp. In the specific implementation process, the two ends of the support plate 12 are provided with fixing blocks 122, and after the rotating shaft 13 passes through the support plate 12, the two ends of the rotating shaft 13 are rotatably connected with the fixing blocks 122 at the two ends of the support plate 12.

[0046] The support plate 12 is provided with a movable space 121, which can be a through hole penetrating the upper and lower surfaces of the support plate 12 in the specific implementation process. The clamping assembly 14 is at least partially arranged in the movable space 121 and can axially move in the movable space 121. In addition, the rotating shaft 13 is rotatably connected with the support plate 12, and the clamping assembly 14 is connected with the rotating shaft 13, so that when the rotating shaft 13 rotates, the clamping assembly 14 can axially move in the movable space 121. In the specific implementation process, a transmission structure can be arranged between the rotating shaft 13 and the clamping assembly 14, so as to convert the circumferential driving force of the rotating shaft 13 into the axial driving force of the clamping assembly 14. The clamping assembly 14 is used for clamping a to-be-fixed component, which can be a mobile phone, a PCB board, a chip or the like.

[0047] Please refer to Figure 3 , Figure 3 for a schematic view of the cooperation relationship between the rotating shaft and the bottom plate in the clamp disclosed in the embodiment. As shown in Figure 2 and Figure 3 , the center of the bottom plate 11 is fixedly provided with a first pearl knob assembly 111, and the circumference of the rotating shaft 13 is provided with an annular groove 131, which cooperates with the first pearl knob assembly 111. When the rotating shaft 13 is rotatably connected with the support plate 12, the first pearl knob assembly 111 is located in the annular groove 131. In the embodiment, the annular groove 131 is arranged around the circumference of the rotating shaft 13, and the first pearl knob assembly 111 is fixedly arranged at the center of the bottom plate 11. When the rotating shaft 13 is rotatably connected with the support plate 12, the first pearl knob assembly 111 is located in the annular groove 131. The first pearl knob assembly 111 is located in the annular groove 131 to limit the position of the rotating shaft 13 in the axial direction, which can avoid the axial displacement error caused by the shaking or inaccurate positioning of the rotating shaft 13.

[0048] In an optional embodiment, the annular groove 131 is a V-shaped groove. In this embodiment, the first bead pushing assembly 111 can be in contact with the sidewall of the V-shaped groove, so that the rotation shaft 13 is positioned in the axial direction by the cooperation between the first bead pushing assembly 111 and the V-shaped groove.

[0049] In an optional embodiment, the first bead pushing assembly 111 comprises a first bead and a first spring, wherein the elastic force of the first spring pushes the first bead to be in contact with the sidewall of the annular groove 131, so that the position of the rotation shaft 13 in the axial direction is limited by the cooperation between the first bead pushing assembly 111 and the annular groove 131, and the movement of the rotation shaft 13 in the axial direction is avoided.

[0050] In an optional embodiment, the number of clamping assemblies 14 is two, and the two clamping assemblies 14 are oppositely arranged. By adjusting the positions of the two clamping assemblies 14, the clamping assemblies 14 can be used to firmly fix the to-be-fixed component, and the to-be-fixed component of different sizes can be clamped and fixed, thereby increasing the flexibility of the clamp.

[0051] In an optional embodiment, the number of activity spaces 121 is also two, and the two activity spaces 121 are not communicated, and the two clamping assemblies 14 are arranged in the two activity spaces 121, respectively. That is, there is a solid area 123 between the two activity spaces 121, and the rotation shaft 13 is rotatably connected to the support plate 12 through the solid area 123. The two activity spaces 121 are separated by the solid area 123, which can provide better positioning for the rotation shaft 13 and control the position of the rotation shaft 13 in the support plate 12, and the solid area 123 can also provide a placing space for the to-be-fixed component, so that the to-be-fixed component will not slide into the activity space 121 during clamping, thereby improving the practicability and convenience of the clamp.

[0052] In an optional embodiment, the annular groove 131 is provided with a first thread 132 (the thread shape is not shown, only the position is shown) and a second thread 133 (the thread shape is not shown, only the position is shown) on both sides, wherein the thread directions of the first thread 132 and the second thread 133 are opposite, and the clamping assembly 14 is connected with the threaded part of the rotating shaft 13. In this embodiment, the annular groove 131 is provided with a first thread 132 and a second thread 133 of a predetermined length on both sides, and in the specific implementation process, preferably, the length of the first thread 132 can be the same as the length of the second thread 133. In the specific implementation process, the clamping assembly 14 can be sleeved on the threaded part of the rotating shaft 13, so that when the rotating shaft 13 rotates, the clamping assembly 14 can be driven to move axially on the rotating shaft 13 through the thread. One clamping assembly 14 is connected with the rotating shaft 13 through the first thread 132, and the other clamping assembly 14 is connected with the rotating shaft 13 through the second thread 133, so that when the rotating shaft 13 rotates, the two clamping assemblies 14 can move towards each other under the driving of the threads in opposite directions, and then the distance between the two clamping assemblies 14 is adjusted through the rotation of the rotating shaft 13, and then the to-be-fixed component is tightly clamped.

[0053] In an optional embodiment, please refer to Figure 4 , Figure 4 for a structural schematic diagram of a clamping assembly in a clamp provided in this embodiment. As shown in Figure 4 , the clamping assembly 14 includes a base 141 and a clamping block 142, wherein the base 141 is located in the active space 121 and the base 141 is connected with the rotating shaft 13; the clamping block 142 is used for clamping the to-be-fixed component, and the clamping block 142 is fixedly connected with the base 141 and located outside the active space 121. In this embodiment, the base 141 can be provided with a through screw hole, and the base 141 is connected with the rotating shaft 13 through the through screw hole, so as to be sleeved on the rotating shaft 13 to move in the active space 121. In the specific implementation process, the base 141 and the clamping block 142 can be fixed by screws or the like. The clamping block 142 is used for clamping the to-be-fixed component, wherein the clamping block 142 can be used to clamp a mobile phone, a PCB board and the like.

[0054] In an optional embodiment, the clamping block 142 has a V-shaped clamping surface 1421. Wherein the V-shaped clamping surface 1421 can better fix the to-be-fixed component in the V-shaped clamping surface 1421, thereby improving the clamping effect.

[0055] In an optional embodiment, as Figure 4As shown in the figure, the clamping assembly 14 further comprises a clamping piece 143 fixedly arranged between the base 141 and the clamping block 142. In the embodiment, the clamping piece 143 is used to clamp components such as chips. In the specific implementation process, the clamping block 142 can be used to clamp components with large volume, and the clamping piece 143 can be used to clamp components which are relatively thin and need to be placed in close contact with the surface of the clamp, such as chips.

[0056] In the optional embodiment, the clamp further comprises a cover plate 15, wherein the cover plate 15 and the support plate 12 are fixedly connected, the clamping piece 143 of the clamping assembly 14 is in close contact with the cover plate 15, so that the clamping piece 143 can clamp the chip conveniently, and the cover plate 15 can provide a placing space for the clamped chip, avoiding loosening caused by the component hanging in the air.

[0057] In the optional embodiment, through holes are formed on the cover plate 15 and the bottom plate 11 at positions opposite to the movable space 121, and the through holes are used to allow some repair waste to directly leak out through the through holes.

[0058] In the optional embodiment, one end of the rotating shaft 13 is further provided with a knob 16, the knob 16 is fixedly connected with one end of the rotating shaft 13, and the knob 16 rotates to drive the rotating shaft 13 to rotate together, so that the user can rotate the rotating shaft 13 by twisting the knob 16, and then adjust the position of the clamping assembly 14 to realize clamping.

[0059] According to the clamp disclosed in the embodiment of the utility model, the first rotating bead assembly and the annular groove are arranged, the clamping assembly is connected with the rotating shaft, and the first rotating bead assembly and the annular groove are matched, so that the displacement of the rotating shaft in the axial direction is limited, the position of the rotating shaft in the axial direction is fixed, the clamping assembly connected with the rotating shaft is prevented from shaking due to the displacement of the rotating shaft in the axial direction, the stability of the clamp during use is improved, and the clamping effect is improved.

[0060] Please refer to Figure 5 and Figure 6 , Figure 5 the bottom surface structure diagram of another clamp disclosed in the embodiment, Figure 6 the structure diagram of the clamping assembly in another clamp provided by the embodiment. As Figure 5 and Figure 6As shown in the figure, the clamp comprises a bottom plate 11, a support plate 12, a rotating shaft 13 and a clamping assembly 14. Among them, the bottom plate 11 is fixedly connected with the support plate 12, the rotating shaft 13 passes through the support plate 12 along the central axis direction of the bottom plate 11 and is rotationally connected with the support plate 12, the support plate 12 is provided with a movable space 121, and the clamping assembly 14 is connected with the rotating shaft 13 and can move axially in the movable space 121 when the rotating shaft 13 rotates.

[0061] In this embodiment, screw holes can be provided on the bottom plate 11 and the support plate 12, and the bottom plate 11 and the support plate 12 can be fixedly connected by screws. It can be understood that the bottom plate 11 and the support plate 12 can also be fixedly connected by clamping or gluing and other ways. In the specific implementation process, the shape of the bottom plate 11 can be circular or other shapes, and preferably, the shape of the support plate 12 is the same as that of the bottom plate 11.

[0062] The rotating shaft 13 passes through the support plate 12 along the central axis direction of the bottom plate 11, that is, the position of the rotating shaft 13 is on the central axis of the entire clamp. In the specific implementation process, the two ends of the support plate 12 are provided with fixed blocks 122, and after the rotating shaft 13 passes through the support plate 12, the two ends of the rotating shaft 13 are rotationally connected with the fixed blocks 122 at both ends of the support plate 12.

[0063] The support plate 12 is provided with a movable space 121, which can be a through hole penetrating the upper and lower bottom surfaces of the support plate 12 in the specific implementation process. The clamping assembly 14 is at least partially arranged in the movable space 121 and can move axially in the movable space 121. In addition, the rotating shaft 13 is rotationally connected with the support plate 12, and the clamping assembly 14 is connected with the rotating shaft 13, so that when the rotating shaft 13 rotates, the clamping assembly 14 can move axially in the movable space 121. In the specific implementation process, a transmission structure can be provided between the rotating shaft 13 and the clamping assembly 14, so as to convert the circumferential driving force of the rotating shaft 13 into the driving force of the clamping assembly 14 in the axial direction. The clamping assembly 14 is used for clamping the to-be-fixed component, wherein the to-be-fixed component can be a mobile phone, a PCB board, a chip or the like.

[0064] As shown in the figure, Figure 3As shown in the figure, the bottom of the support plate 12 is also provided with an axial slot 122. The clamping assembly 14 is also provided with a second pearl pushing assembly 144 matched with the axial slot 122, and when the clamping assembly 14 is rotationally connected with the rotating shaft 13, the second pearl pushing assembly 144 is located in the axial slot 122. In this embodiment, the bottom of the support plate 12 is provided with the axial slot 122, and when the clamping assembly 14 is rotationally connected with the rotating shaft 13, the second pearl pushing assembly 144 is located in the axial slot 122, so that when the clamping assembly 14 moves axially in the active space 121, the second pearl pushing assembly 144 slides in the axial slot 122, and in the sliding process, the second pearl pushing assembly 144 is matched with the axial slot 122 to limit the rotation of the clamping assembly 14, so that only axial movement is allowed, thereby avoiding the circumferential shaking of the clamping assembly 14 on the clamp, and improving the clamping tightness of the clamp. In the specific implementation process, the slotting direction of the axial slot 122 is parallel to the rotating shaft 13.

[0065] In an optional embodiment, the axial slot 122 is a V-shaped slot. In this embodiment, the second pearl pushing assembly 144 can be in contact with the sidewall of the V-shaped slot, so as to limit the clamping assembly 14 by the cooperation between the second pearl pushing assembly 144 and the V-shaped slot, and avoid the rotation of the clamping assembly 14.

[0066] In an optional embodiment, the second pearl pushing assembly 144 includes a second pearl and a second spring, wherein the elastic force of the second spring pushes the second pearl to abut against the sidewall of the axial slot 122, so as to limit the position of the clamping assembly 14 in the circumferential direction by the cooperation between the second pearl pushing assembly 144 and the axial slot 122, and avoid the rotation of the clamping assembly 14.

[0067] In an optional embodiment, the number of clamping assemblies 14 is two, and the two clamping assemblies 14 are oppositely arranged. By adjusting the positions of the two clamping assemblies 14, the fixed part can be stably fixed, and different sizes of fixed parts can be clamped and fixed, thereby increasing the flexibility of the clamp.

[0068] In an optional embodiment, the number of active spaces 121 is also two, and the two active spaces 121 are not connected, and the two clamping assemblies 14 are arranged in the two active spaces 121 respectively. That is to say, there is a solid area 123 between the two active spaces 121, and the rotating shaft 13 is rotationally connected with the support plate 12 through the solid area 123. The two active spaces 121 are separated by the solid area 123, which can provide better positioning for the rotating shaft 13 and control the position of the rotating shaft 13 in the support plate 12, and the solid area 123 can also provide a placing space for the fixed part, so as to avoid the fixed part from falling into the active space 121 during clamping, and improve the practicability and convenience of the clamp.

[0069] In an optional embodiment, the clamping assembly 14 comprises a base 141 and a clamping block 142, wherein the base 141 is located in the active space 121 and connected with the rotating shaft 13; the clamping block 142 is used for clamping the component to be fixed, and is fixedly connected with the base 141 and located outside the active space 121. In this embodiment, the base 141 can be provided with a through screw hole, and the base 141 is connected with the rotating shaft 13 through the through screw hole, so as to be sleeved on the rotating shaft 13 to move in the active space 121. In the specific implementation process, the base 141 and the clamping block 142 can be fixed by means of screws or the like. The clamping block 142 is used for clamping the component to be fixed, wherein the clamping block 142 can be used to clamp a mobile phone, a PCB board or the like.

[0070] In an optional embodiment, the clamping block 142 has a V-shaped clamping surface 1421. The V-shaped clamping surface 1421 can better fix the component to be fixed in the V-shaped clamping surface 1421, thereby improving the clamping effect.

[0071] In an optional embodiment, the bottom of the base 141 is provided with a lug 1412, a second pearl knob assembly 144 is fixedly arranged on the lug 1412, and the bottom of the active space 121 is in a stepped shape, and the axial groove 122 is arranged on the step 1211 at the bottom of the active space 121. In this embodiment, the lug 1412 is arranged at the bottom of the base 141, the lug 1412 extends into the active space 121 and cooperates with the step 1211 at the bottom of the active space 121, thereby better fixing the position of the clamping assembly 14. Moreover, the lug 1412 cooperates with the step 1211 through the second pearl knob assembly 144 and the axial groove 122, the second spring in the second pearl knob assembly 144 pushes the second pearl knob to abut against the side wall of the axial groove 122, thereby pushing the clamping assembly 14 upward; at the same time, the second spring is subjected to the reaction force applied by the step 1211 to the second pearl knob, thereby pushing the clamping assembly 14 downward, so that the position of the clamping assembly 14 reaches a balance in the active space 121, which can ensure that the clamping assembly 14 is pushed flat and relatively stable in the active space 121.

[0072] In an optional embodiment, the clamping assembly 14 further comprises a clamping piece 143 fixedly arranged between the base 141 and the clamping block 142. In this embodiment, the clamping piece 143 is used for clamping a chip or the like. In the specific implementation process, the clamping block 142 can be used to clamp a relatively large component, and the clamping piece 143 can be used to clamp a relatively thin component which needs to be placed on the surface of the clamp, such as a chip or the like.

[0073] In an optional embodiment, the fixture further includes a cover plate, wherein the cover plate and the support plate 12 are fixedly connected, and the clamping piece 143 of the clamping assembly 14 is in contact with the cover plate, thereby facilitating the clamping piece 143 to clamp the chip. The cover plate can provide placement space for the clamped chip and prevent loosening due to the component being suspended in the air.

[0074] In an optional embodiment, through slots are provided on both the cover plate and the bottom plate 11 at positions opposite to the active space 121. These through slots allow some repair waste to be directly discharged through them.

[0075] In an optional embodiment, a knob 16 is also provided at one end of the rotating shaft 13. The knob 16 is fixedly connected to one end of the rotating shaft 13. When the knob 16 rotates, it drives the rotating shaft 13 to rotate together. Thus, the user can turn the knob 16 to rotate the rotating shaft 13, thereby adjusting the position of the clamping component 14 and achieving clamping.

[0076] A clamp according to an embodiment of this utility model includes a base plate, a support plate, a rotating shaft, and a clamping assembly for clamping a component to be fixed. The support plate has an axial groove at its bottom, and the clamping assembly has a second ball bearing assembly that engages with the axial groove. When the clamping assembly is rotatably connected to the rotating shaft, the second ball bearing assembly is located within the axial groove. By providing the axial groove and the second ball bearing assembly, and utilizing the interlocking relationship between them, the clamping assembly is restricted by the axial groove and the second ball bearing assembly, preventing rotation and thus improving the stability and clamping effect of the clamp during use.

[0077] It is understood that in some other embodiments, it may also be combined with Figures 1 to 6 The two types of clamps are as follows: a first ball bearing assembly is fixedly installed at the center of the base plate, an annular groove that mates with the first ball bearing assembly is provided around the circumference of the rotating shaft, and an axial groove is also provided at the bottom of the support plate. A second ball bearing assembly that mates with the axial groove is provided on the clamping assembly. This allows the clamp to prevent swaying in the axial direction and also prevents the clamping assembly from rotating, thereby further improving the stability of the clamp during use and improving the clamping effect.

[0078] Those skilled in the art can understand that the above-mentioned preferred embodiments can be freely combined and superimposed without conflict. Among them, the flowcharts and block diagrams in the drawings illustrate the possible implementation architecture, function and operation of the system, method and computer program product according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagram can represent a module, program segment, or a part of code containing one or more executable instructions for implementing the specified logical function. It should also be noted that in some alternative implementations, the functions noted in the blocks can occur in different order than that noted in the drawings, for example, two blocks indicated in succession can actually be executed substantially in parallel, and sometimes they can be executed in reverse order, depending on the function involved. It should also be noted that each block in the block diagram and / or flowchart, and the combination of blocks in the block diagram and / or flowchart, can be implemented by a dedicated hardware-based system that performs the specified functions or operations, or can be implemented by a combination of dedicated hardware and computer instructions. The numbering of the steps herein is only for the convenience of explanation and reference, and does not limit the front and back order, and the specific execution order is determined by the technology itself, and those skilled in the art can determine various allowed and reasonable orders according to the technology itself.

[0079] Those skilled in the art can understand that the above-mentioned preferred embodiments can be freely combined and superimposed without conflict.

[0080] It should be understood that the above-described embodiments are only exemplary and not limiting, and those skilled in the art can make various obvious or equivalent modifications or replacements to the above details without departing from the basic principles of the present application, which will be included in the scope of the claims of the present application.

Claims

1. A clamp characterized in that, The utility model provides a fixing device for fixing parts, which comprises a bottom plate (11), a support plate (12), a rotating shaft (13) and a clamping assembly (14) for clamping the parts to be fixed, the bottom plate (11) is fixedly connected with the support plate (12), the rotating shaft (13) passes through the support plate (12) along the central axis direction of the bottom plate (11) and is rotatably connected with the support plate (12), the support plate (12) is provided with a movable space (121), the clamping assembly (14) is connected with the rotating shaft (13) and can move axially in the movable space (121) when the rotating shaft (13) rotates, wherein: A first pearl shifting assembly (111) is fixedly arranged at the center of the bottom plate (11); The rotating shaft (13) is circumferentially provided with an annular groove (131) matched with the first pearl shifting assembly (111), and when the rotating shaft (13) is rotatably connected with the support plate (12), the first pearl shifting assembly (111) is located in the annular groove (131).

2. The clamp of claim 1, wherein The annular groove (131) is a V-shaped groove.

3. The clamp of claim 1, wherein The annular groove (131) is provided with a first thread (132) and a second thread (133) on both sides, wherein the thread directions of the first thread (132) and the second thread (133) are opposite, and the clamping assembly (14) is connected with the threaded part of the rotating shaft (13).

4. The clamp of claim 1, wherein The clamping assembly (14) comprises: a base (141) located in the movable space (121) and connected with the rotating shaft (13); a clamping block (142) fixedly connected with the base (141) and located outside the movable space (121) for clamping the parts to be fixed.

5. The clamp of claim 4, wherein The clamping assembly (14) further comprises: a clamping piece (143) fixedly arranged between the base (141) and the clamping block (142) for clamping the parts to be fixed.

6. A clamp characterized in that, The utility model provides a fixing device for fixing parts, which comprises a bottom plate (11), a support plate (12), a rotating shaft (13) and a clamping assembly (14) for clamping the parts to be fixed, the bottom plate (11) is fixedly connected with the support plate (12), the rotating shaft (13) passes through the support plate (12) along the central axis direction of the bottom plate (11) and is rotatably connected with the support plate (12), the support plate (12) is provided with a movable space (121), the clamping assembly (14) is rotatably connected with the rotating shaft (13) and can move axially in the movable space (121), wherein: The bottom of the support plate (12) is further provided with an axial groove (122); The clamping assembly (14) is further provided with a second pearl shifting assembly (144) matched with the axial groove (122), and when the clamping assembly (14) is rotatably connected with the rotating shaft (13), the second pearl shifting assembly (144) is located in the axial groove (122).

7. The clamp of claim 6, wherein The axial groove (122) is a V-shaped groove.

8. The clamp of claim 6, wherein The clamping assembly (14) comprises: a base (141) located in the movable space (121) and rotatably connected with the rotating shaft (13); A clamping block (142) is fixedly connected with the base (141) and located outside the movable space (121) and used for clamping a component to be fixed.

9. The clamp of claim 8, wherein, The base (141) is provided with a lug (1412) at the bottom, and the second bead shifting assembly (144) is arranged on the lug (1412). The bottom of the movable space (121) is in a stepped shape, and the axial groove (122) is arranged on a step (1211) of the bottom of the movable space (121).

10. The clamp of claim 9, wherein, The clamping assembly (14) further comprises: A clamping piece (143) is fixedly arranged between the base (141) and the clamping block (142) and used for clamping a component to be fixed.

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