Lock catch mechanism and installation equipment for infusion pump

Abstract

The utility model relates to the technical field of medical equipment, in particular to a lock catch mechanism and installation equipment for an infusion pump. The lock catch mechanism comprises a first connecting piece, a second connecting piece and a lock catch assembly. A locking part is convexly arranged on the outer side of the second connecting piece; the lock catch assembly comprises an adjusting piece and a locking piece, the adjusting piece and the locking piece are movably connected to the first connecting piece, and the adjusting piece is used for driving the locking piece to move between a locking position and an unlocking position; in the locking position, the second connecting piece is inserted into the locking piece, and at least part of the locking piece is located on the side, away from the first connecting piece, of the locking part; in the unlocking position, the locking part and the locking piece are arranged in a spaced mode. According to the lock catch mechanism, the lock catch assembly is arranged to be matched with the first connecting piece and the second connecting piece, rapid connection and separation between the first connecting piece and the second connecting piece can be achieved, and the structure is simple; when the device is applied to installation equipment for an infusion pump, the functions of convenient disassembly and assembly and expanded installation can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical equipment technical field especially, relate to a lock catch mechanism and installation equipment for infusion pump. BACKGROUND

[0002] In medical systems, it is common to have multiple devices that need to be used simultaneously for treating or monitoring the health condition of a patient. Typical cases include the use of infusion therapy in intensive care medicine, which requires the targeted use of specific medications and ensures the precise dosage. Depending on the clinical situation, it is often necessary to use multiple medications and optionally parenteral nutrition to assist in therapy, so that multiple infusion pumps need to be used simultaneously. Usually, these infusion pumps need to be arranged on an installation device for centralized power supply and information management to ensure the normal operation of the infusion pumps.

[0003] In an infusion pump management system, there are strict requirements for the stacking of infusion pumps on the installation device. The infusion pumps must be firmly fixed in the installation device to prevent damage to the inserted infusion pumps when the device is subjected to violent movement, especially to prevent the infusion pumps from falling out of the installation device. At the same time, it is required that the infusion pumps can be easily unlocked when they are taken out of the installation device. The infusion pump installation device in the prior art is usually inconvenient to disassemble and expand.

[0004] Therefore, it is necessary to improve the above-mentioned problems to change the status quo. SUMMARY

[0005] The utility model provides a lock catch mechanism and installation equipment for infusion pump for solving the inconvenient disassembly and expansion of the infusion pump installation equipment in the prior art.

[0006] The utility model provides a lock catch mechanism, including:

[0007] The first connecting piece is connected with the second connecting piece.

[0008] The second connecting piece is detachably connected to the first connecting piece, and the outer side of the second connecting piece protrudes with a locking part.

[0009] The lock catch assembly includes an adjusting piece and a locking piece, and the adjusting piece and the locking piece are movably connected to the first connecting piece. The adjusting piece is used to drive the locking piece to move between the locking position and the unlocking position. When the locking position is reached, the second connecting piece is inserted into the locking piece, and the locking piece is at least partially located on the side of the locking part away from the first connecting piece. When the unlocking position is reached, the locking part is spaced apart from the locking piece.

[0010] According to one embodiment of the utility model, the adjusting piece is provided with a guide groove, the adjusting piece is rotatably connected with the locking piece, and the guide groove is arranged along the outer circumferential wall of the adjusting piece in a spiral direction; the first connecting piece is provided with a guide pin, and the guide pin is slidably matched with the guide groove.

[0011] According to one embodiment of the utility model, the locking piece is provided with a connecting groove, and the locking piece is provided with a locking tooth, the connecting groove is used for being slidably matched with the locking part, and the locking tooth is abutted on one side of the locking part away from the first connecting piece when the locking position is reached.

[0012] According to one embodiment of the utility model, the number of the locking tooth and the connecting groove is multiple, and the multiple locking tooth and the multiple connecting groove are sequentially arranged and arranged around the second connecting piece.

[0013] According to one embodiment of the utility model, the outer wall of the first connecting piece is provided with a containing groove, the adjusting piece is arranged in the containing groove and rotatably connected with the locking piece; when the locking position is reached, the adjusting piece is contained in the containing groove, and when the unlocking position is reached, the adjusting piece is at least partially protruded from the containing groove.

[0014] According to one embodiment of the utility model, the locking piece is also provided with a limiting groove, the first connecting piece is provided with a limiting part, the limiting part is slidably matched with the limiting groove, and the locking piece is slidably connected with the first connecting piece.

[0015] According to one embodiment of the utility model, the first connecting piece is provided with a slot, the second connecting piece is provided with a plug-in part, the plug-in part is plug-in matched with the slot, and the locking part is protruded on the outside of the plug-in part.

[0016] The utility model also provides a kind of installation equipment for infusion pump, comprising:

[0017] Master module;And

[0018] Plug-in box, including the lock catch mechanism as any one of the above, the plug-in box and the master module are detachably connected by the lock catch mechanism.

[0019] According to one embodiment of the utility model, the plug-in box is provided with a supporting plate for supporting infusion pump, and the edge of the supporting plate is provided with a positioning groove;The infusion pump includes an unlocking button, a locking head and a spring piece, the spring piece is used to drive the unlocking button to abut on the locking head, when the infusion pump is connected with the supporting plate, the supporting plate is plug-in matched with the infusion pump, and the locking head is clamped matched with the positioning groove, the unlocking button is used to drive the locking head to separate from the positioning groove, and the spring piece is used to drive the locking head to be clamped.

[0020] According to one embodiment of the present application, the mounting device further comprises a fixing device, the fixing device comprises an adjusting knob, a clamping piece and a clamping frame, the adjusting knob is rotationally connected with the plug-in box, the clamping frame is arranged on the side of the plug-in box away from the adjusting knob, the clamping piece is threadedly matched with the adjusting knob, and the adjusting knob is used to drive the clamping piece to move towards or away from the clamping frame, so that the clamping piece and the clamping frame are fixedly connected with or released from an external component.

[0021] The present application has the following advantages:

[0022] When the locking mechanism is used, first, the second connecting piece is connected with the first connecting piece, then the locking piece is driven to move to the locking position by operating the adjusting piece, at this time, the locking piece at least partially abuts against the side of the locking portion away from the first connecting piece, so as to fix the second connecting piece with the first connecting piece; when it is needed to separate the first connecting piece and the second connecting piece, the adjusting piece is only needed to be reversely moved, so that the locking piece is spaced from the locking portion and released, and the second connecting piece is separated from the first connecting piece.

[0023] In the locking mechanism, the locking assembly is arranged to be matched with the first connecting piece and the second connecting piece, so that the quick connection and separation between the first connecting piece and the second connecting piece can be realized, and the structure is simple; when applied to the mounting device for the infusion pump, the functions of convenient disassembly and expansion installation can be realized. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0025] Among them:

[0026] Figure 1 is a structural schematic view of the mounting device in the embodiment of the present application;

[0027] Figure 2 is a structural schematic view of the locking mechanism in the embodiment of the present application;

[0028] Figure 3 is a connection schematic view of the locking mechanism in the embodiment of the present application;

[0029] Figure 4 is a rear side schematic view of the mounting device in the embodiment of the present application;

[0030] Figure 5 is the installation schematic view of the fixing device in the embodiment of the utility model;

[0031] Figure 6 is the use schematic view of the installation equipment in the embodiment of the utility model;

[0032] Figure 7 is the use partial structure schematic view of the installation equipment in the embodiment of the utility model;

[0033] Reference signs:

[0034] 1, installation equipment;

[0035] 10, lock catch mechanism;

[0036] 100, first connecting piece; 110, guide pin; 120, accommodating groove; 130, limiting part; 140, insertion slot;

[0037] 200, second connecting piece; 210, locking part; 220, insertion part;

[0038] 300, lock catch assembly; 310, adjusting piece; 311, guide groove; 320, locking piece; 321, connecting groove; 322, lock tooth; 323, limiting groove;

[0039] 400, main control module; 20, plug-in box; 21, supporting plate; 22, positioning groove; 30, fixing device; 31, adjusting knob; 32, clamping piece; 33, clamping frame; 40, infusion pump; 41, unlocking knob; 42, locking head; 43, elastic sheet. DETAILED DESCRIPTION

[0040] In order to make the purpose, technical scheme and advantages of the utility model more clear, the technical scheme in the utility model will be described clearly and completely below by combining with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without making creative labor belong to the protection scope of the utility model.

[0041] Reference Figures 1 to 7The utility model discloses an embodiment provides a kind of lock catch mechanism 10, it includes first connecting piece 100, second connecting piece 200 and lock catch assembly 300;Second connecting piece 200 is detachably connected to first connecting piece 100, and the outside of second connecting piece 200 is provided with locking portion 210;Lock catch assembly 300 includes adjusting piece 310 and locking piece 320, adjusting piece 310 and locking piece 320 are movably connected to first connecting piece 100, and adjusting piece 310 is used to drive locking piece 320 between locking position and unlocking position movement;When in locking position, second connecting piece 200 is inserted in locking piece 320 and locking piece 320 at least part is located on the side of locking portion 210 away from first connecting piece 100;When in unlocking position, locking portion 210 is spaced apart from locking piece 320.

[0042] When using the lock catch mechanism 10 of the embodiment, first, connect second connecting piece 200 with first connecting piece 100, then drive locking piece 320 to move to the locking position by operating adjusting piece 310, at this time, locking piece 320 at least partially abuts on the side of locking portion 210 away from first connecting piece 100, to fix second connecting piece 200 with first connecting piece 100;When it is needed to separate first connecting piece 100 and second connecting piece 200, only need to move adjusting piece 310 reversely to make locking piece 320 and locking portion 210 spaced apart and release, to facilitate the separation of second connecting piece 200 and first connecting piece 100.

[0043] In the lock catch mechanism 10 of the embodiment, by setting lock catch assembly 300 cooperates with first connecting piece 100 and second connecting piece 200 respectively, the quick connection and separation between the two can be realized, the structure is simple;When applied to infusion pump 40 installation equipment 1, the functions of convenient disassembly and expansion installation can be realized.

[0044] It should be noted that, in the lock catch mechanism 10 of the embodiment, first connecting piece 100 and second connecting piece 200 are not limited to the internal structure in lock catch mechanism 10, for example, when lock catch mechanism 10 is applied to installation equipment 1, first connecting piece 100 and second connecting piece 200 can be two components connected in installation equipment 1 (including but not limited to box and other connecting bodies).

[0045] Specifically, adjusting piece 310 is provided with guide groove 311, adjusting piece 310 is rotatably connected with locking piece 320, and guide groove 311 is arranged along the spiral direction around the outer circumferential wall of adjusting piece 310;First connecting piece 100 is provided with guide pin 110, and guide pin 110 is slidably matched with guide groove 311.

[0046] With the arrangement, when the adjusting member 310 rotates relative to the first connecting member 100, the adjusting member 310 can be driven to move linearly relative to the first connecting member 100 and drive the locking member 320 to move relative to the second connecting member 200 through the guiding effect between the guide slot 311 and the guide pin 110; when connecting the first connecting member 100 and the second connecting member 200, the adjusting member 310 is first driven to move the locking member 320 to the unlocking position, then the second connecting member 200 is inserted into the first connecting member 100, and the locking portion 210 is moved to the inside of the locking member 320; then the locking member 320 can be driven to move by rotating the adjusting member 310, and the locking member 320 can be at least partially located on the side of the locking portion 210 away from the first connecting member 100, at this time, when the locking member 320 moves to the locking position, the locking member 320 can abut against the locking portion 210 to limit the movement of the second connecting member 200 along the first connecting member 100 towards the second connecting member 200. When it is necessary to unlock the second connecting member 200, the adjusting member 310 can be moved reversely, which is simple in structure and convenient to operate.

[0047] In an embodiment, the locking member 320 is provided with a connecting slot 321 and a locking tooth 322, the connecting slot 321 is used for sliding cooperation with the locking portion 210, and the locking tooth 322 abuts against the side of the locking portion 210 away from the first connecting member 100 in the locking position.

[0048] It can be understood that when the locking member 320 is in the unlocking position, the locking tooth 322 is spaced apart from the locking portion 210 on the installation path of the second connecting member 200, at this time, the second connecting member 200 can be inserted into the first connecting member 100 and the locking member 320, then after the locking member 320 is driven to move to the locking position by the adjusting member 310, the locking tooth 322 can be located on the side of the locking portion 210 away from the first connecting member 100, and the locking tooth 322 is located on the movement path of the locking portion 210 in the direction in which the second connecting member 200 separates from the first connecting member 100, thereby limiting the movement of the locking portion 210.

[0049] Further, the number of the locking tooth 322 and the connecting slot 321 is multiple, and the multiple locking teeth 322 and the multiple connecting slots 321 are sequentially arranged and surround the second connecting member 200.

[0050] In the embodiment, by arranging the multiple locking members 320 and the connecting slots 321 to cooperate with the locking portion 210, not only can the connection and separation of the second connecting member 200 and the first connecting member 100 be facilitated, but also the connection strength between the second connecting member 200 and the first connecting member 100 can be improved through the cooperation of the multiple locking members 320 and the locking portion 210.

[0051] Specifically, the outer wall of the first connecting piece 100 is provided with a containing groove 120, the adjusting piece 310 is arranged in the containing groove 120 and is rotationally connected with the locking piece 320; in the locking position, the adjusting piece 310 is contained in the containing groove 120, and in the unlocking position, the adjusting piece 310 at least partially protrudes from the containing groove 120.

[0052] Therefore, when the locking piece 320 is in the unlocking position, the adjusting piece 310 can protrude from the outer wall of the first connecting piece 100, and when the locking piece 320 is connected and locked with the second connecting piece 200, the adjusting piece 310 is located inside the containing groove 120, so that the surface of the first connecting piece 100 is flat, and the adjusting piece 310 is prevented from being damaged due to collision.

[0053] In an embodiment, the locking piece 320 is further provided with a limiting groove 323, the first connecting piece 100 is provided with a limiting part 130, the limiting part 130 is slidingly matched with the limiting groove 323, and the locking piece 320 is slidingly connected with the first connecting piece 100.

[0054] In the embodiment, by matching the limiting part 130 and the limiting groove 323, when the locking piece 320 moves relative to the first connecting piece 100, the movement of the locking piece 320 can be limited and guided, so that the locking piece 320 is prevented from being separated from the first connecting piece 100.

[0055] Specifically, the first connecting piece 100 is provided with a slot 140, the second connecting piece 200 is provided with a plug-in part 220, the plug-in part 220 is plug-in matched with the slot 140, and the locking part 210 protrudes on the outer side of the plug-in part 220.

[0056] Therefore, the plug-in part 220 can protrude outward from one side of the second connecting piece 200, when the second connecting piece 200 is connected with the first connecting piece 100, the outer wall of the second connecting piece 200 and the first connecting piece 100 can be kept flat, and the plug-in part 220 is arranged in the first connecting piece 100 and matched with the locking piece 320, so that the combined structure of the second connecting piece 200 and the first connecting piece 100 is compact, and the outer surface is kept flat.

[0057] The utility model also provides a kind of installation equipment 1 for infusion pump, it includes master control module 400 and plug-in box 20;Plug-in box 20 includes the lock catch mechanism 10 in any one embodiment described above, and plug-in box 20 and master control module 400 are detachably connected by lock catch mechanism 10.

[0058] It can be understood that, in the mounting device 1 of the present embodiment, by providing the locking mechanism 10 in any one of the above embodiments, the locking mechanism 10 is matched with the first connecting member 100 and the second connecting member 200 through the locking assembly 300, so that quick connection and separation between the two can be achieved, and the structure is simple; when applied to the mounting device 1 of the infusion pump 40, the functions of convenient disassembly and expansion installation can be achieved.

[0059] Further, the plug-in box 20 is provided with a supporting plate 21 for supporting the infusion pump 40, and the edge of the supporting plate 21 is provided with a positioning groove 22; the infusion pump 40 comprises an unlocking button 41, a locking head 42 and an elastic piece 43, the elastic piece 43 is used to drive the unlocking button 41 to abut against the locking head 42, when the infusion pump 40 is connected with the supporting plate 21, the supporting plate 21 is inserted and matched with the infusion pump 40, and the locking head 42 is matched and connected with the positioning groove 22, the unlocking button 41 is used to drive the locking head 42 to separate from the positioning groove 22, and the elastic piece 43 is used to drive the locking head 42 to be connected with the positioning groove 22.

[0060] Therefore, when the infusion pump 40 is connected with the plug-in box 20, the infusion pump 40 can be inserted and matched with the supporting plate 21, and after the infusion pump 40 is installed in place, the unlocking button 41 can drive the locking head 42 to be matched and connected with the positioning groove 22 under the elastic action of the elastic piece 43, so as to fix the infusion pump 40; when the infusion pump 40 needs to be removed, the unlocking button 41 is pressed to overcome the elastic force of the elastic piece 43, so as to drive the locking head 42 to separate from the positioning groove 22, so as to release the infusion pump 40, the structure is simple, and the disassembly and assembly are convenient; at the same time, by connecting the infusion pump 40 and the supporting plate 21 in the form of insertion, the overall structure of the infusion pump 40 and the mounting device 1 is more compact.

[0061] In an embodiment, the mounting device 1 further comprises a fixing device 30, the fixing device 30 comprises an adjusting knob 31, a clamping piece 32 and a clamping frame 33, the adjusting knob 31 is rotationally connected with the plug-in box 20, the clamping frame 33 is arranged on the side of the plug-in box 20 away from the adjusting knob 31, the clamping piece 32 is threadedly matched with the adjusting knob 31, and the adjusting knob 31 is used to drive the clamping piece 32 to move towards or away from the clamping frame 33, so as to fix or release the clamping piece 32 and the clamping frame 33 with an external member.

[0062] When the mounting device 1 of the present embodiment is used, the clamping piece 32 and the clamping frame 33 are first clamped on an external member such as an infusion support, and then the clamping piece 32 is driven to move away from the side of the infusion support away from the clamping frame 33 by rotating the adjusting knob 31, until the clamping piece 32 and the clamping frame 33 abut against the opposite sides of the infusion support, so as to fix the fixing device 30 with the infusion support; the clamping piece 32 can be released by reversing the rotation of the adjusting knob 31, and the disassembly and assembly are convenient.

[0063] In the description of the embodiments of the utility model, it needs to be explained that, the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the embodiments of the utility model and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the embodiments of the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0064] In the description of the embodiments of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled in the art, the specific meaning of the above terms in the embodiments of the utility model can be understood according to the specific circumstances.

[0065] In the embodiments of the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0066] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiments of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.

[0067] Finally, it should be noted that: the above examples are used to illustrate the technical solutions of the present application, but not limited to; although the present application is described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still be modified to the technical solutions recorded in the foregoing examples, or part of the technical features are replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A catch mechanism, characterized in that The utility model relates to a locking device for mounting equipment, comprising: a first connecting piece; a second connecting piece, which is detachably connected to the first connecting piece, and the outer side of the second connecting piece is provided with a locking part; and a locking assembly, which comprises an adjusting piece and a locking piece, the adjusting piece and the locking piece are movably connected to the first connecting piece, and the adjusting piece is used to drive the locking piece to move between a locking position and an unlocking position; in the locking position, the second connecting piece is inserted into the locking piece, and the locking piece is at least partially located on the side of the locking part away from the first connecting piece; in the unlocking position, the locking part is spaced apart from the locking piece.

2. The catch mechanism of claim 1, wherein, The adjusting piece is provided with a guide groove, the adjusting piece is rotatably connected to the locking piece, and the guide groove is arranged along the spiral direction around the outer circumferential wall of the adjusting piece; the first connecting piece is provided with a guide pin, and the guide pin is slidably matched with the guide groove.

3. The catch mechanism of claim 2, wherein, The locking piece is provided with a connecting groove and a locking tooth, the connecting groove is used to slidably match with the locking part, and in the locking position, the locking tooth is abutted on the side of the locking part away from the first connecting piece.

4. The catch mechanism of claim 3, wherein, The number of the locking tooth and the connecting groove is multiple, and the multiple locking teeth and the multiple connecting grooves are sequentially arranged and arranged around the second connecting piece.

5. The catch mechanism of claim 2, wherein, The outer wall of the first connecting piece is provided with a containing groove, the adjusting piece is arranged in the containing groove and rotatably connected with the locking piece; in the locking position, the adjusting piece is contained in the containing groove, and in the unlocking position, the adjusting piece is at least partially protruded from the containing groove.

6. The catch mechanism of claim 5, wherein, The locking piece is further provided with a limiting groove, the first connecting piece is provided with a limiting part, the limiting part is slidably matched with the limiting groove, and the locking piece is slidably connected with the first connecting piece.

7. The catch mechanism of claim 1, wherein, The first connecting piece is provided with a slot, the second connecting piece is provided with a plug-in part, the plug-in part is plug-in matched with the slot, and the locking part is protruded on the outer side of the plug-in part.

8. An installation device for an infusion pump, characterized in that The utility model relates to a locking device for mounting equipment, comprising: a main control module; and a plug-in box, which comprises the locking mechanism as claimed in any one of claims 1-7, and the plug-in box and the main control module are detachably connected through the locking mechanism.

9. The mounting device for an infusion pump according to claim 8, characterized in that The plug-in box is provided with a supporting plate for supporting an infusion pump, and the edge of the supporting plate is provided with a positioning groove; the infusion pump comprises an unlocking button, a locking head and a spring piece, the spring piece is used to drive the unlocking button to abut against the locking head, when the infusion pump is connected with the supporting plate, the supporting plate is plug-in matched with the infusion pump, and the locking head is clamped matched with the positioning groove, the unlocking button is used to drive the locking head to separate from the positioning groove, and the spring piece is used to drive the locking head to clamp with the positioning groove.

10. The mounting device for an infusion pump according to claim 8, characterized in that The mounting equipment further comprises a fixing device, the fixing device comprises an adjusting knob, a clamping piece and a clamping frame, the adjusting knob is rotatably connected with the plug-in box, the clamping frame is arranged on the side of the plug-in box away from the adjusting knob, the clamping piece is threadedly matched with the adjusting knob, and the adjusting knob is used to drive the clamping piece to move towards the direction close to or away from the clamping frame, so that the clamping piece and the clamping frame are fixedly connected with or released from an external member.

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