Quick clamping bench vice

By introducing a gear transmission structure into the bench vise, the screw can be rotated rapidly by utilizing the difference in the number of teeth between the large and small gears. This solves the problem of cumbersome clamping operations in existing bench vises and improves clamping speed and processing efficiency.

CN223670995UActive Publication Date: 2025-12-16ZIBO SUHUI CHEM EQUIP CO LTD
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Patent Information

Application Number
CN202423105741.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-16
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Existing bench vises require rotating the screw multiple times to achieve the desired clamping effect, which increases operational complexity and reduces processing efficiency.

Method used

It adopts a screw and gear meshing transmission structure. By rotating the handle, the gear is driven to rotate. The difference in the number of teeth between the large gear and the small gear is used to achieve rapid rotation of the screw, reducing the number of screw rotations and thus speeding up the clamping speed.

Benefits of technology

The gear transmission mechanism enables rapid clamping of workpieces, reducing the physical exertion of operators, shortening clamping time, and improving processing efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a quick clamping bench vice, and relates to the technical field of clamps. The bench vice comprises a bench vice structure, comprising a supporting seat, a second bearing seat embedded in the supporting seat, a first screw rotationally installed in the second bearing seat, a nut connected to the outer wall of the first screw in a threaded and sleeving mode, a guide rail fixedly arranged at the upper end of the supporting seat, a sliding block located at the lower end of the nut and installed on the outer wall of the guide rail in a sliding mode, and a clamping block fixedly arranged at the upper end of the nut. The quick clamping structure comprises a rotating shaft rotationally installed at one end of the supporting base, a first gear connected to the outer wall of the rotating shaft in a sleeving mode, a second gear connected to the outer wall of the first screw in a sleeving mode and meshed with the first gear, a rotating disc fixedly arranged at one end of the rotating shaft, and a second grip located at one end of the rotating disc. By arranging the quick clamping structure, the problems that the operation complexity is increased and the machining efficiency is reduced due to the fact that the first screw rod needs to be rotated for many circles when the first screw rod is rotated to drive the clamping piece to move to clamp a workpiece are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamps, in particular to a quick clamping bench vice. BACKGROUND

[0002] The bench vice is also called bench tool, is a kind of hand-operated fixing appliance, is often used in industrial manufacturing and processing process, is used to clamp the workpiece of different shapes and sizes, since hand control moves clamping block by screw rod, operation can be more accurate, simple mechanical structure design makes it more durable and reliable, reduces maintenance cost and maintenance requirement.

[0003] Chinese patent discloses a kind of bench vice (authorized announcement number CN212044281U), the patent technology includes base, fixed jaw, movable jaw, fixed jaw is provided with driving mechanism;The bottom of base is provided with C-type seat frame, one side of C-type seat frame is formed with installation groove, the inner groove wall of installation groove close to base is provided with rubber pad, the bottom of C-type seat frame is screwed with installation screw rod, the threaded section of installation screw rod extends into installation groove, the threaded section of installation screw rod is opposite with rubber pad.Install the bench vice, move the bench vice, until workbench enters installation groove, then lower the bench vice, so that rubber pad is in contact with the top surface of workbench, then rotate installation screw rod, until installation screw rod is in contact with the bottom surface of workbench.The whole installation process, only need to rotate installation screw rod, to a certain extent, reduce the time required for installation of the bench vice.

[0004] The patent technology has the advantage of being easy to install when in use, but there are still deficiencies in the process of use, the workpiece is clamped by rotating screw rod to drive clamping piece to move, so that the operator needs to rotate many turns of screw rod to achieve the purpose of clamping the workpiece by clamping piece, increase the complexity of operation, workpiece clamping cannot be carried out more quickly when workpiece is processed, reduce the processing efficiency, therefore, the technical personnel in the art provides a kind of quick clamping bench vice to solve the problems raised in the above background technology. INVENTION CONTENTS

[0005] 1. Technical scheme

[0006] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0007] The utility model discloses a kind of quick clamping bench vice, including,

[0008] Bench vice structure, including support seat, embedded installation in the bearing seat two inside, the screw rod one is rotationally installed in the bearing seat two inside and the outer wall screw thread is opposite distribution, the nut is screwedly connected to the outer wall of screw rod one and is symmetrically distributed, guide rail is fixed on the upper end of support seat, slider is located in the lower end of nut and is slidingly installed on the outer wall of guide rail, clamping block is fixed on the upper end of nut;

[0009] The quick clamping structure comprises a rotating shaft rotatably installed at one end of a support base, a gear one sleeved on the outer wall of the rotating shaft, a gear two sleeved on the outer wall of a screw one and engaged with the gear one and having a smaller radius than the gear one, a rotating disc fixed at one end of the rotating shaft, and a handle two located at one end of the rotating disc;

[0010] And;

[0011] The support structure comprises a support table located on one side above the support base;

[0012] The fixing structure comprises a mounting frame fixed at the lower end of the support base, a screw hole opened in the mounting frame, and a screw two inserted into the screw hole and threadedly installed with the screw hole.

[0013] Further, the outer wall of the handle two is rotatably installed with two groups of rolling balls arranged in a ring array, and the outer wall of the handle two is sleeved with a sleeve, and the inner wall of the sleeve is opened with two groups of rolling grooves slidably installed with the rolling balls.

[0014] Specifically, the sleeve slides on the outer wall of the rolling ball through the rolling groove, so that the sleeve is supported by the rotation of the handle two, and the sleeve is transmitted when the handle is rotated, so that the staff's hand better grips the sleeve two to rotate the rotating disc.

[0015] Further, the support base is provided with a bearing seat one rotatably installed with the screw one on one side of the upper end of the support base, and the support base is provided with a cover on one end, and the cover is sleeved on the outer side of the gear one and the gear two.

[0016] Specifically, the cover shields the gear one and the gear two, avoiding direct exposure of the gear one and the gear two to the outside, and avoiding the staff's hand being easily clamped and injured when the gear one and the gear two rotate.

[0017] Further, the support base is internally opened with travel holes symmetrically distributed, the travel holes are internally slidably inserted with slide rods, the slide rods are respectively connected with the handle one through the connecting blocks and the handle one at both ends, and the support table is provided with a support rod fixedly installed on the upper end of the connecting block at the lower end.

[0018] Specifically, the travel hole slidably supports the slide rod, so that the slide rod drives the support rod and the support table to move through the connecting block, and the slide rod is easily applied with a pushing and pulling force by gripping the handle one.

[0019] Further, the screw two is provided with a pressing block above, and the outer wall of the lower end of the screw two is provided with a rotating rod arranged in a ring array.

[0020] Specifically, the rotating rod is easily applied with a rotating force to the screw two, and the pressing block is driven to move longitudinally along with the screw two.

[0021] Further, the lower end of the briquet is provided with a rotating seat, the upper end of the second screw is rotatably inserted into the rotating seat, and the inner wall of the upper end of the mounting frame and the upper surface of the briquet are both provided with rubber pads.

[0022] Specifically, the rotating seat avoids that the rotating force of the second screw directly acts on the briquet during use, and the rubber pads provide flexible contact surfaces to reduce the abrasion of the upper surface of the briquet and the inner wall of the upper end of the mounting frame on the clamping surface.

[0023] 2. Beneficial effects

[0024] Compared with the prior art, the utility model has the advantages that:

[0025] The utility model discloses, through the screw nut and the outer wall screw thread is relatively distributed screw one cooperation, drive the clamping block relative movement, workpiece clamping, rotate screw one, through the grip handle two, the rotating force is added to the rotating shaft, and then drive gear one rotation, because gear one and the gear two of screw one outer wall are engaged, and the gear number of gear one is greater than gear two, and rotating gear one circle drives gear two to rotate multiple circles, and then play screw one rotation acceleration's effect, through the rotation of screw one of less time can realize the purpose of clamping block to workpiece clamping, and the clamping speed is accelerated, and the operator can more quickly carry out workpiece clamping.

[0026] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0027] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0028] Figure 1 It is the front view three-dimensional structure schematic diagram of the utility model;

[0029] Figure 2 It is the support seat side view three-dimensional structure schematic diagram of the utility model;

[0030] Figure 3 It is the inside front view three-dimensional structure schematic diagram of the utility model's fender cover;

[0031] Figure 4 It is the support table overhead three-dimensional structure schematic diagram of the utility model;

[0032] Figure 5 It is the mounting frame bottom view three-dimensional structure schematic diagram of the utility model.

[0033] The components represented by the reference numerals in the drawings are listed as follows:

[0034] 100, bench vice structure; 101, support seat; 102, sliding block; 103, bearing seat one; 104, guide rail; 105, clamping block; 106, screw one; 107, nut; 108, bearing seat two;

[0035] 200, support structure; 201, support table; 202, support rod; 203, connecting block; 204, sliding rod; 205, handle one; 206, stroke hole;

[0036] 300, quick clamping structure; 301, rotating shaft; 302, rotating disc; 303, gear one; 304, gear two; 305, cover; 306, handle two; 307, sleeve; 308, ball; 309, rolling groove;

[0037] 400, fixing structure; 401, mounting frame; 402, rubber pad; 403, pressing block; 404, rotating seat; 405, screw two; 406, screw hole; 407, rotating rod. DETAILED DESCRIPTION

[0038] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, clear and understandable, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0039] In the following description, a lot of specific details are set forth in order to give a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore, the utility model is not limited by the specific embodiments disclosed below.

[0040] Secondly, the utility model is described in detail in combination with the schematic diagram, when the embodiments of the utility model are described in detail, for the convenience of description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual manufacturing.

[0041] In order to make the purposes, technical schemes and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below in combination with the drawings.

[0042] Example 1

[0043] Please refer to Figures 1-5 The embodiment is a quick clamping bench vice, which comprises,

[0044] The bench vice structure 100 comprises a support base 101, a bearing seat two 108 embeddedly installed in the support base 101, a screw rod one 106 rotationally installed in the bearing seat two 108 and having the outer wall threads oppositely distributed, a nut 107 threadedly sleeved on the outer wall of the screw rod one 106 and oppositely distributed, a guide rail 104 fixedly arranged on the upper end of the support base 101, a sliding block 102 located at the lower end of the nut 107 and slidingly installed on the outer wall of the guide rail 104, and a clamping block 105 fixedly arranged on the upper end of the nut 107.

[0045] The quick clamping structure 300 comprises a rotating shaft 301 rotationally installed at one end of the support base 101, a gear one 303 sleeved on the outer wall of the rotating shaft 301, a gear two 304 sleeved on the outer wall of the screw rod one 106 and engaged with the gear one 303 and having a smaller radius than the gear one 303, a rotating disc 302 fixedly arranged at one end of the rotating shaft 301, and a handle two 306 located at one end of the rotating disc 302.

[0046] The handle two 306 rotationally has two groups of annularly arrayed rolling balls 308 on the outer wall, and has a sleeve 307 sleeved on the outer wall, and the inner wall of the sleeve 307 is provided with two groups of rolling grooves 309 slidingly installed with the rolling balls 308.

[0047] The support base 101 is provided with a bearing seat one 103 rotationally installed with the screw rod one 106 at one side of the upper end of the support base 101, and is provided with a cover 305 at one end, and the cover 305 is sleeved on the outer side of the gear one 303 and the gear two 304.

[0048] The quick clamping structure 300 is used.

[0049] The sleeve 307 is gripped, the rotating disc 302 is rotated, the sleeve 307 is prevented from rubbing the palm of the gripper through the sliding cooperation of the rolling balls 308 and the rolling grooves 309 during rotation, the sleeve 307 is kept stable in the palm of the gripper, the rotating disc 302 drives the rotating shaft 301 and the gear one 303 to rotate, the gear one 303 drives the gear two 304 to rotate, and then drives the screw rod one 106 to rotate, because the nut 107 is slidingly supported on the guide rail 104 through the sliding block 102, the clamping block 105 at the upper end of the nut 107 is relatively or oppositely moved, and the moving direction depends on the rotating direction of the screw rod one 106, so that the workpiece is clamped.

[0050] In the process, when the large gear and the small gear are engaged, because the large gear has more teeth, a larger angular displacement can be formed by each rotation, so that the small gear pushed by the large gear needs to rotate multiple times to complete a cycle of rotation, which is effectively reduced. The rotation speed of the gear is relatively fast, and the rotation speed of the small gear is relatively slow, realizing the conversion and adjustment of speed. The gear transmission mechanism drives the clamping block 105 to move, and the clamping block 105 can realize the purpose of clamping the workpiece through a smaller rotation of the screw rod 106, thereby speeding up the clamping speed, enabling the operator to clamp the workpiece more quickly, reducing the physical exertion of the operator when clamping the workpiece, greatly shortening the clamping time, and reducing the tediousness of the work.

[0051] Embodiment 2

[0052] Please refer to Figures 1-5 The embodiment is based on the embodiment 1 and further includes;

[0053] And;

[0054] The support structure 200 includes a support table 201 located on one side above the support base 101.

[0055] The fixing structure 400 includes a mounting frame 401 fixed to the lower end of the support base 101, a screw hole 406 opened in the inside of the mounting frame 401, and a screw rod two 405 inserted into the screw hole 406 and threadedly mounted with the screw hole 406.

[0056] The inside of the support base 101 is provided with symmetrically distributed travel holes 206, and the inside of the travel holes 206 is slidably inserted with slide rods 204. The two ends of the slide rods 204 are connected through connecting blocks 203 and handles one 205 respectively. The lower end of the support table 201 is provided with a support rod 202 fixed to the upper end of the connecting block 203.

[0057] The upper end of the screw rod two 405 is provided with a pressing block 403, and the outer wall of the lower end of the screw rod two 405 is provided with a rotary rod 407 arranged in an annular array.

[0058] The lower end of the pressing block 403 is provided with a rotating seat 404, the upper end of the screw rod two 405 is rotatably inserted into the inside of the rotating seat 404, and the inner wall of the upper end of the mounting frame 401 and the upper surface of the pressing block 403 are both provided with rubber pads 402.

[0059] The use of the fixing structure 400 and the support structure 200 is carried out;

[0060] When clamping the workpiece, the support table 201 supports the bottom of the workpiece, avoids the person holding the workpiece all the time when the clamping block 105 moves, provides assistance for the workpiece clamping process, and drives the support table 201 to move out from below the workpiece through the slide rod 204 after the clamping block 105 clamps the workpiece.

[0061] Meanwhile, during the use of the bench vice structure 100, the installation frame 401 is sleeved with the side of the workbench, the rotating rod 407 is gripped to drive the screw rod 2 405 to rotate, the pressing block 403 is driven to move to the lower end of the workbench, the installation frame 401 and the pressing block 403 clamp the side of the workbench, the support base 101 is fixed, the use position of the bench vice structure 100 is adjusted according to the need during use, the use is flexible and convenient, and the bench vice structure 100 adopts a mechanical structure, the overall structure is simple, and the operation, use and maintenance are convenient.

[0062] In the description of the utility model, need explanation further, unless another explicit provision and limitation, term '' set '', '' install '', '' link '', '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be directly connected, also can indirectly connect through intermediate medium, can be two elements inside the communication. For ordinary skilled person in the art, the above-mentioned terms can be understood according to the specific meaning of the utility model.

[0063] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and not for limiting the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A quick-clamping bench vise, characterized in that: include, The bench vise structure (100) includes a support base (101), a bearing housing two (108) embedded in the support base (101), a screw one (106) rotatably installed in the bearing housing two (108) with its outer wall threads distributed in opposite directions, a nut (107) threaded onto the outer wall of the screw one (106) and symmetrically distributed, a guide rail (104) fixed on the upper end of the support base (101), a slider (102) located at the lower end of the nut (107) and slidably installed on the outer wall of the guide rail (104), and a clamping block (105) fixed on the upper end of the nut (107). The quick clamping structure (300) includes a rotating shaft (301) rotatably mounted on one end of the support base (101), a gear one (303) sleeved on the outer wall of the rotating shaft (301), a gear two (304) sleeved on the outer wall of the screw one (106) and meshing with the gear one (303) and having a radius smaller than the gear one (303), a turntable (302) fixed on one end of the rotating shaft (301), and a handle two (306) located at one end of the turntable (302); as well as; The support structure (200) includes a support platform (201) located on one side above the support base (101); The fixed structure (400) includes a mounting frame (401) fixed at the lower end of the support base (101), a screw hole (406) opened inside the mounting frame (401), and a screw rod (405) inserted into the screw hole (406) and threadedly installed with the screw hole (406).

2. The quick-clamping bench vise according to claim 1, characterized in that: Two sets of balls (308) arranged in a ring array are rotatably mounted on the outer wall of the second grip (306). A sleeve (307) is sleeved on the outer wall of the second grip (306). Two sets of roller grooves (309) are opened on the inner wall of the sleeve (307) and are slidably mounted with the balls (308).

3. The quick-clamping bench vise according to claim 1, characterized in that: The upper side of the support base (101) is provided with a bearing seat (103) that is rotatably mounted to the screw (106). One end of the support base (101) is provided with a cover (305), which is sleeved on the outside of the gear (303) and the gear (304).

4. The quick-clamping bench vise according to claim 1, characterized in that: The support base (101) has symmetrically distributed stroke holes (206) inside. A slide rod (204) is slidably inserted into the stroke hole (206). The two ends of the slide rod (204) are connected by a connecting block (203) and a handle (205) respectively. A support rod (202) is fixed to the upper end of the connecting block (203) at the lower end of the support platform (201).

5. A quick-clamping bench vise according to claim 1, characterized in that: A pressure block (403) is provided above the second screw (405), and a ring array of rotating rods (407) is provided on the outer wall of the lower end of the second screw (405).

6. A quick-clamping bench vise according to claim 5, characterized in that: The lower end of the pressure block (403) is provided with a rotating seat (404), the upper end of the screw (405) is rotatably inserted into the rotating seat (404), and rubber pads (402) are provided on the inner wall of the upper end of the mounting frame (401) and the upper surface of the pressure block (403).

Citation Information

Patent Citations

  • Bench vice

    CN212044281U