Bench vice

Abstract

The bench vice comprises a base and a clamping assembly, a vice body is arranged on the base, the clamping assembly comprises a vice block, a sleeve, a lead screw and a locking piece, the sleeve is arranged on the base in a sliding mode, the lead screw is connected with the sleeve in a threaded mode, the vice block is arranged on the base in a sliding mode, the vice block is connected with the lead screw in a rotating mode, and the locking piece is arranged on the base. The locking piece is used for clamping or loosening the sleeve, and when the locking piece loosens the sleeve, the sleeve drives the lead screw and the clamp block to rapidly slide to be close to the clamp body. In this way, the number of turns of rotating the lead screw when production personnel adjust the width of the jaw of the bench vice is reduced, and then the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of metal processing, in particular to a bench vice. Background Art

[0002] A bench vise, also known as a vice, is widely used in daily life and industrial production. Installed on a workbench, it is used to clamp and secure various workpieces, and perform operations such as shearing, drilling, and bending metal materials. It is a very practical tool. Its structure generally consists of a movable body, a fixed body, a base, and a screw. The screw is rotated to push the movable body toward the fixed body to clamp or release the workpiece.

[0003] However, existing bench vises have the following drawbacks in actual use: when adjusting the width of the jaws, production personnel need to manually rotate the screw several times before they can complete clamping or loosening, which greatly increases the production personnel's operation time. Moreover, manually rotating the screw for a long time can easily cause production personnel's arms to become fatigued, thereby reducing production efficiency. In view of this, the bench vise of the present application is proposed. Utility Model Content

[0004] The purpose of the utility model is to overcome the deficiencies in the prior art and provide a bench vise which reduces the number of turns of a manually rotated screw to quickly clamp or release a workpiece, thereby improving production efficiency.

[0005] The purpose of this utility model is achieved through the following technical solutions:

[0006] A bench vise comprising:

[0007] a base, on which the clamp body is disposed; and

[0008] The clamping assembly includes a clamp block, a sleeve, a screw and a locking piece. The sleeve is slidably set on the base, the screw is threadedly connected to the sleeve, the clamp block is slidably set on the base, and the clamp block is rotatably connected to the screw. The locking piece is set on the base, and the locking piece is used to clamp or loosen the sleeve. When the locking piece loosens the sleeve, the sleeve drives the screw and the clamp block to slide quickly close to the clamp body.

[0009] Optionally, an internal thread is provided in the sleeve, and the internal thread extends from one end of the sleeve to the other end. The screw rod is provided with an external thread that matches the internal thread, and the external thread is threadedly connected to the internal thread.

[0010] Optionally, the locking member includes a clamping block, an elastic member and a clamping block, the clamping block is slidably set on the base, the clamping block is slidably set on the clamping block, the two ends of the elastic member are respectively in contact with the clamping block and the clamping block, and the elastic member is used to push the clamping block to clamp with the sleeve.

[0011] Optionally, the clamping block is provided with oblique teeth, and the sleeve is provided with a plurality of oblique grooves, and the oblique teeth are embedded in one of the oblique grooves, so that the clamping block and the sleeve are adjustable in position.

[0012] Optionally, a plurality of the bevel teeth are provided, and the bevel teeth are distributed in the same direction and at equal intervals, and each bevel tooth is respectively embedded in one of the bevel grooves.

[0013] Optionally, a guide slide is further provided on the sleeve, a guide slide groove is provided on the base, and the guide slide is slidably arranged in the guide slide groove.

[0014] Optionally, the locking member further includes a support block, a turntable and a transmission rod, the support block is arranged on the base, the turntable is rotatably arranged on the support block, one end of the transmission rod is rotatably connected to the turntable, and the other end of the transmission rod is rotatably connected to the clamping block.

[0015] Optionally, the locking member further includes a toggle rod, one end of the toggle rod is provided on the turntable, and the other end of the toggle rod extends from the base, and the toggle rod is used to drive the turntable to rotate.

[0016] Optionally, the clamping assembly further includes a top block, which is slidably disposed on the base, and one end of the sleeve is disposed on the top block.

[0017] Optionally, the clamping assembly further comprises a handwheel, which is arranged on the end of the screw rod away from the clamp block, and the handwheel is used to drive the screw rod to rotate.

[0018] Compared with the prior art, the present invention has at least the following advantages:

[0019] The bench vise of the utility model drives the oblique teeth on the two clamping blocks to be embedded in or moved out of the oblique grooves on the sleeve through the two clamping blocks, so that the sleeve can drive the screw rod and the clamp block to quickly approach or move away from the workpiece, thereby reducing the number of turns of the screw rod when adjusting the width of the clamp block, thereby reducing the operation time of production personnel and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 This is a schematic structural diagram of a bench vise according to one embodiment of the present invention;

[0022] Figure 2 This is a structural diagram of the installation position of the support block in one embodiment of the present invention;

[0023] Figure 3 This is a schematic diagram of the structure of the clamping block near the sleeve in one embodiment of the present invention;

[0024] Figure 4 This is a schematic diagram of the structure of the clamping block away from the sleeve in one embodiment of the present invention;

[0025] Figure 5 This is a partial structural diagram of the mounting position of the card block in one embodiment of the present utility model;

[0026] Figure 6 This is a schematic structural diagram of a screw rod and a sleeve threaded connection according to one embodiment of the present invention;

[0027] Figure 7 This is a partial schematic diagram of the cross-sectional structure of the screw rod and the sleeve being threadedly connected in one embodiment of the present utility model;

[0028] Figure 8 This is a schematic structural diagram of a clamping block according to one embodiment of the present invention;

[0029] Figure 9 This is a structural diagram of a card block according to one embodiment of the present invention;

[0030] Figure 10 This is a schematic cross-sectional view of the installation position of the elastic member according to one embodiment of the present invention;

[0031] Figure 11 This is a structural diagram of the installation position of the transmission rod in one embodiment of the present utility model;

[0032] Figure 12 This is a structural diagram of an embodiment of the present invention in which a transmission rod drives a clamping block to approach a sleeve;

[0033] Figure 13 This is a structural schematic diagram of a transmission rod driving a clamping block away from a sleeve in one embodiment of the present invention.

[0034] Description of reference numerals:

[0035] 1. Bench vise; 10. Base; 20. Clamping assembly; 21. Clamp block; 22. Sleeve; 23. Screw; 24. Locking piece; 241. Clamping block; 242. Elastic piece; 243. Clamping block; 2431. Bevel teeth; 221. Bevel groove; 222. Guide slide; 244. Support block; 245. Turntable; 246. Transmission rod; 247. Toggle lever; 25. Ejector block; 26. Handwheel; 11. Clamp body; 12. Boss; 13. Cross block; 2411. Groove; 27. Rubber pad. DETAILED DESCRIPTION

[0036] In order to facilitate the understanding of the present invention, the present invention will be described in more detail below with reference to the accompanying drawings, in which preferred embodiments of the present invention are shown.

[0037] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0038] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the number of the technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "plurality" means two or more, unless otherwise specifically defined.

[0039] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0040] like Figure 1As shown, in one embodiment, a bench vise 1 includes a base 10 and a clamping assembly 20, a clamp body 11 is provided on the base 10, and the clamping assembly 20 includes a clamp block 21, a sleeve 22, a screw rod 23 and a locking member 24, the sleeve 22 is slidably provided on the base 10, the screw rod 23 is screwed to the sleeve 22, the clamp block 21 is slidably provided on the base 10, and the clamp block 21 is rotatably connected to the screw rod 23, and the locking member 24 is provided on the base 10, and the locking member 24 is used to clamp or loosen the sleeve 22. When the locking member 24 loosens the sleeve 22, the sleeve 22 drives the screw rod 23 and the clamp block 21 to slide quickly close to the clamp body 11.

[0041] It should be noted that the base 10 includes a clamp body 11, a boss 12, and a cross block 13. The clamp body 11 is disposed on one end of the cross block 13, and the boss 12 is disposed on the other end of the cross block 13. The clamp block 21 is slidably disposed on the cross block 13 and is located between the clamp body 11 and the boss 12. Furthermore, the clamping assembly 20 also includes a top block 25, which is slidably disposed on the bottom block and is located between the clamp block 21 and the boss 12. A sliding hole is initially formed on the boss 12. One end of the sleeve 22 is disposed on the top block 25, and the other end of the sleeve 22 is inserted into the sliding hole. In this way, the top block 25 can support the sleeve 22, thereby improving the stability of the sleeve sliding relative to the bottom block. Furthermore, one end of the screw rod 23 is rotatably mounted on the end of the jaw block 21 facing the top block 25, while the other end of the screw rod 23 passes through the top block 25 and is threadedly connected to the sleeve 22. This allows the sleeve 22 to slide relative to the base 10, thereby simultaneously driving the screw rod 23 and the jaw block 21 to slide toward or away from the jaw body 11, thereby allowing the jaw block 21 and the jaw body 11 to jointly clamp or release a workpiece. Furthermore, the sleeve 22 is provided with an internal thread extending from one end of the sleeve 22 to the other end. The screw rod 23 is provided with an external thread that matches the internal thread. The external thread and the internal thread are threadedly connected, allowing the screw rod 23 to be precisely screwed into the sleeve 22.

[0042] like Figures 2 to 4 、 Figures 7 to 9 As shown, in one embodiment, the locking member 24 includes a clamping block 241, an elastic member 242 and a clamping block 243. The clamping block 241 is slidably set on the base 10, and the clamping block 243 is slidably set on the clamping block 241. The two ends of the elastic member 242 are respectively in contact with the clamping block 241 and the clamping block 243. The elastic member 242 is used to push the clamping block 243 to clamp with the sleeve 22.

[0043] It should be noted that a slide groove is provided on the horizontal block 13, and the slide groove is located on the side of the boss 12 facing the top block 25, and the opening direction of the slide groove is perpendicular to the sliding direction of the sleeve 22. The clamping block 241 is slidably provided on the slide groove, so that the clamping block 241 can slide closer to or slide away from the sleeve 22. Furthermore, a groove 2411 is provided on the clamping block 241, and the opening of the groove 2411 faces the sleeve 22. The clamping block 243 is slidably provided in the groove 2411. The elastic member 242 is a spring structure. The elastic member 242 is located in the groove 2411 and pushes the inner bottom wall of the groove 2411 and the clamping block 243 respectively, so that the clamping block 243 can be engaged with the sleeve 22.

[0044] like Figure 5 To the picture, Figures 9 and 10 、 Figures 12 to 13 As shown, in one embodiment, the clamping block 243 is provided with an oblique tooth 2431 , and the sleeve 22 is provided with a plurality of oblique grooves 221 , and the oblique tooth 2431 is embedded in one of the oblique grooves 221 , so that the clamping block 243 and the sleeve 22 are adjustable in position.

[0045] It should be noted that the side of the block 243 facing the sleeve 22 is an arc-shaped concave structure, on which oblique teeth 2431 are provided, so that the oblique teeth 2431 are in an inwardly concave arc shape, and the cross-section of the oblique teeth 2431 tends to be a right-angled triangle structure. Furthermore, a plurality of inclined grooves 221 are provided on the outer side wall of the sleeve 22, and each inclined groove 221 is provided along the axial direction of the sleeve 22, and each inclined groove 221 is distributed equidistantly in the same direction, and the inclined groove 221 extends from one end of the sleeve 22 to the other end. Since the sleeve 22 is a tubular structure, its outer side wall is a curved surface structure, and thus each inclined groove 221 is in the shape of an outwardly curved arc. Furthermore, a plurality of inclined teeth 2431 are provided, and each inclined tooth 2431 is distributed equidistantly in the same direction, and the spacing between each inclined tooth 2431 is consistent with the spacing between each inclined groove 221. Since the inclined teeth 2431 are in the shape of an inwardly concave arc, the inclined teeth 2431 are in the shape of an outwardly curved arc, so that the inclined teeth 2431 can adapt to the inclined groove 221. It should be noted that the inclined teeth 2431 are opposite to the directions of the inclined groove 221, so that the inclined teeth 2431 can be completely embedded in the inclined groove 221. Furthermore, a plurality of oblique teeth 2431 are provided on one side surface of the block 243 facing the sleeve 22, and the oblique teeth 2431 are distributed at equal intervals, and the oblique grooves 221 extend from one end of the sleeve 22 to the other end, and the oblique grooves 221 are distributed at equal intervals. When the elastic member 242 pushes the block 243 close to the sleeve 22, the oblique teeth 2431 on the block 243 are embedded in the oblique grooves 221 connected to any part, and the sleeve 22 can be fixed on the base 10, thereby preventing the screw rod 23 from sliding relative to the sleeve 22, and the clamp block 21 from sliding. At this time, since the screw rod 23 is threadedly connected to the sleeve 22, the screw rod 23 can rotate relative to the sleeve 22 to drive the clamp block 21 to slide closer to or away from the clamp body 11. When the clamping block 241 slides away from the sleeve 22, the clamping block 243 drives the bevel teeth 2431 to move out of the partially connected bevel grooves 221, so that the sleeve 22, the screw rod 23 and the clamp block 21 can slide quickly relative to the base 10, and then the clamp block 21 can slide quickly towards or away from the clamp body 11, so as to reduce the number of turns of manual rotation of the screw rod 23 when adjusting the jaw width of the bench vise 1, thereby reducing the operation time.

[0046] like Figures 3 to 10 As shown, in one embodiment, two clamping blocks 241 , two elastic members 242 and two clamping blocks 243 are provided, two sliding grooves are provided on the bottom block, and the two sliding grooves are respectively located on both sides of the sleeve 22 .

[0047] It should be noted that the notches of the two chutes are both oriented toward the sleeve 22, and the two clamping blocks 241 slide within the two chutes, respectively, allowing the two clamping blocks 241 to simultaneously slide toward the sleeve 22, thereby allowing the two clamping blocks 243 to jointly clamp the two sides of the sleeve 22. Furthermore, the two clamping blocks 243 are each provided with a plurality of beveled teeth 2431, and each beveled tooth 2431 on the two clamping blocks 243 is oriented in the same direction. Furthermore, the sleeve 22 is provided with a plurality of beveled slots 221 on both sides corresponding to the two clamping blocks 243, each extending from one end of the sleeve 22 to the other end, and each beveled slot 221 is oriented in the same direction. In this way, each beveled tooth 2431 on the clamping block 243 can be inserted into any connected beveled slot 221 of the sleeve 22, so that each beveled tooth 2431 jointly clamps the sleeve 22. When the sleeve 22 drives the screw rod 23 and the clamp block 21 to push the workpiece close to the clamp body 11, the two clamping blocks 241 respectively drive the bevel teeth 2431 on the two clamping blocks 243 to embed into the partially connected bevel grooves 221 on the sleeve 22. Since the bevel grooves 221 and the bevel teeth 2431 are oriented relative to each other, after the bevel teeth 2431 are embedded in the partially connected bevel grooves 221, the sleeve 22 cannot slide away from the clamp body 11. Since the screw rod 23 is screwed into the sleeve 22, at this time, the screw rod 23 can rotate relative to the sleeve 22, so that the screw rod 23 rotates to push the clamp block 21 and the sleeve 22 respectively. Since the sleeve 22 is clamped by the two clamping blocks 243 and cannot slide away from the clamp block 21, the screw rod 23 is rotated relative to the sleeve 22 to push the clamp block 21 close to the clamp body 11, so that the clamp block 21 and the clamp body 11 clamp the workpiece together.

[0048] like Figures 1 to 4 、 Figure 6 、 Figures 12 to 13 As shown, in one embodiment, a guide slide 222 is further provided on the sleeve 22 , a guide slide groove is provided on the base 10 , and the guide slide 222 is slidably provided in the guide slide groove.

[0049] It should be noted that the guide rail 222 is a raised structure relative to the sleeve 22. The guide rails 222 are arranged axially along the sleeve 22. Two guide rails 222 are provided, each extending from one end of the sleeve 22 to the other. Furthermore, the two guide rails 222 are intermittently and alternately arranged with the inclined grooves 221 on both sides of the sleeve 22. For example, the inclined grooves 221 are arranged on the left and right sides of the sleeve 22, and the two guide rails 222 are arranged on the upper and lower surfaces of the sleeve 22. Furthermore, the guide grooves are provided on the slide holes, and the guide rails 222 slide within the guide grooves. Because the guide rails 222 are raised, the sleeve 22 cannot rotate when sliding within the grooves. This ensures that the inclined grooves 221 on both sides of the sleeve 22 remain on the same side as the inclined teeth 2431 on each block 243, allowing each inclined tooth 2431 to smoothly engage with each inclined groove 221.

[0050] like Figure 2 、 Figures 11 to 13 As shown, in one embodiment, the locking member 24 further includes a support block 244, a turntable 245 and a transmission rod 246. The support block 244 is arranged on the base 10, the turntable 245 is rotatably arranged on the support block 244, one end of the transmission rod 246 is rotatably connected to the turntable 245, and the other end of the transmission rod 246 is rotatably connected to the clamping block 241.

[0051] It should be noted that the support block 244 is arranged on the cross block 13, and the support block 244 is provided with a rotating shaft, and the turntable 245 is provided with an axial hole, which is sleeved on the rotating shaft so that the turntable 245 can rotate relative to the support block 244. Furthermore, the turntable 245 is also provided with two connecting holes, which are respectively located on both sides of the axial hole, and the two connecting holes are aligned with the axial hole. Further, for the convenience of description, the two clamping blocks 241 are respectively defined as the first clamping block 241 and the second clamping block 241, the two transmission rods 246 are respectively defined as the first transmission rod 246 and the second transmission rod 246, and the two connecting holes are respectively defined as the first connecting hole and the second connecting hole. Further, one end of the first transmission rod 246 is rotatably connected to the first clamping block 241, and the other end of the first transmission rod 246 is rotatably connected to the first connecting hole, one end of the second transmission rod 246 is rotatably connected to the second clamping block 241, and the other end of the second transmission rod 246 is rotatably connected to the second connecting hole.

[0052] like Figures 11 to 13 As shown, in one embodiment, the transmission rod 246 is a hook-shaped structure, and the turntable 245 is rotated so that the first transmission rod 246 and the second transmission rod 246 simultaneously drive the first clamping block 241 and the second clamping block 241 to slide towards or away from the sleeve 22 at the same time.

[0053] When the rotary disk 245 drives the transmission rod 246 to rotate to the farthest end away from the clamping block 241, that is, when the two ends of the transmission rod 246 and the axial hole are in a straight line, the two transmission rods 246 jointly drive the two clamping blocks 241 to clamp the sleeve 22. When the rotary disk 245 drives one end of the transmission rod 246 to continue to rotate counterclockwise so that the two ends of the transmission rod 246 and the axial hole are in a triangular state, the two clamping blocks 241 are in a triangular state. Under the action of force, the two clamping blocks 241 respectively drive the two transmission rods 246 to rotate the turntable 245. Furthermore, since a toggle rod 247 is also provided on the locking member 24, the toggle rod 247 is provided on the turntable 245, and the other end of the toggle rod 247 extends from the base 10. When the turntable 245 drives the transmission rod 246 to rotate beyond the straight line formed by the two ends of the transmission rod 246 and the axial hole, the toggle rod 247 can keep the two ends of the transmission rod 246 and the axial hole in a triangular state, thereby making the two clamping blocks 241 in a clamping state. When the toggle rod 247 is swung by external force, it drives the two transmission rods 246 on the turntable 245 to push the two clamping blocks 241 to slide away from the sleeve 22. In this way, when the production personnel swing the toggle rod 247 to one end, the two clamping blocks 241 are moved away from the sleeve 22. At this time, the sleeve 22 can quickly drive the screw rod 23 and the clamp block 21 close to the workpiece. Then, when the toggle rod 247 is swung to the other end, the two clamping blocks 241 approach each other so that the two clamping blocks 243 drive the bevel teeth 2431 to embed into the bevel grooves 221, thereby making it impossible for the sleeve 22 to drive the screw rod 23 and the clamp block 21 to slide away from the workpiece. At this time, the screw rod 23 is rotated to further drive the clamp block 21 to press the workpiece tightly. Furthermore, when the workpiece is processed, the screw rod 23 is first rotated to loosen the clamp block 21 from pressing the workpiece, and then the toggle rod 247 is swung to the initial position, so that each bevel tooth 2431 moves out of each bevel groove 221, and then the sleeve 22 can drive the screw rod 23 and the clamp block 21 to slide quickly away from the workpiece. In this way, the number of turns of the screw rod 23 by the production personnel when adjusting the jaw width of the bench vise 1 is reduced, thereby improving production efficiency.

[0054] like Figures 1 to 2 As shown, in one embodiment, the bench vise 1 further includes a handwheel 26 . The handwheel 26 is disposed on the end of the screw rod 23 away from the clamp block 21 . The handwheel 26 is used to drive the screw rod 23 to rotate.

[0055] It should be noted that the length of the screw rod 23 is greater than the length of the sleeve 22, so that one end of the screw rod 23 can be rotatably connected to the clamp block 21, and the other end of the screw rod 23 can be connected to the handwheel 26, so that the handwheel 26 can drive the screw rod 23 to rotate.

[0056] like Figures 4 and 5 、 Figure 10 As shown, in one embodiment, the clamping assembly 20 further includes a plurality of rubber pads 27 , and each rubber pad 27 is respectively disposed on one side of the two clamping blocks 241 facing the sleeve 22 .

[0057] It should be noted that, since the turntable 245 drives the two clamping blocks 241 to approach each other to clamp the sleeve 22, when the two ends of the transmission rod 246 and the three points of the axial hole are in a straight line, the two clamping blocks 241 are in a close state. When the two ends of the transmission rod 246 and the three points of the axial hole are in a triangular state, since the two clamping blocks 241 are metal structures, the turntable 245 cannot drive the two close metal clamping blocks 241 to continue to squeeze each other. In this way, each rubber pad 27 is respectively located on the side of the two clamping blocks 241 facing the sleeve 22, so that when the two clamping blocks 241 are close to each other, they can buffer part of the stress, so that the turntable 245 can continue to drive the two clamping blocks 241 to continue to clamp the sleeve 22 and maintain the clamping state.

[0058] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A bench vise, characterized in that: include: A base, wherein a clamp body is provided on the base; and The clamping assembly includes a clamp block, a sleeve, a screw and a locking piece. The sleeve is slidably set on the base, the screw is threadedly connected to the sleeve, the clamp block is slidably set on the base, and the clamp block is rotatably connected to the screw. The locking piece is set on the base, and the locking piece is used to clamp or loosen the sleeve. When the locking piece loosens the sleeve, the sleeve drives the screw and the clamp block to slide quickly close to the clamp body.

2. The bench vise according to claim 1, characterized in that: An internal thread is provided in the sleeve, and the internal thread extends from one end of the sleeve to the other end. An external thread matching the internal thread is provided on the screw rod, and the external thread is screwed to the internal thread.

3. The bench vise according to claim 2, characterized in that: The locking member includes a clamping block, an elastic member and a clamping block. The clamping block is slidably set on the base, and the clamping block is slidably set on the clamping block. The two ends of the elastic member are respectively in contact with the clamping block and the clamping block. The elastic member is used to push the clamping block to clamp the sleeve.

4. The bench vise according to claim 3, characterized in that: The clamping block is provided with oblique teeth, and the sleeve is provided with a plurality of oblique grooves, wherein the oblique teeth are embedded in one of the oblique grooves, so that the clamping block and the sleeve are clamped in an adjustable manner.

5. The bench vise according to claim 4, characterized in that: There are a plurality of bevel teeth provided, each of which is distributed in the same direction and at equal intervals, and each of which is embedded in one of the bevel grooves.

6. The bench vise according to claim 5, characterized in that: The sleeve is further provided with a guide slide bar, the base is provided with a guide slide groove, and the guide slide bar is slidably arranged in the guide slide groove.

7. The bench vise according to claim 3, characterized in that: The locking member also includes a support block, a turntable and a transmission rod, the support block is arranged on the base, the turntable is rotatably arranged on the support block, one end of the transmission rod is rotatably connected to the turntable, and the other end of the transmission rod is rotatably connected to the clamping block.

8. The bench vise according to claim 7, characterized in that: The locking member further includes a toggle rod, one end of which is arranged on the turntable, and the other end of which extends from the base, and the toggle rod is used to drive the turntable to rotate.

9. The bench vise according to claim 1, wherein: The clamping assembly further comprises a top block which is slidably arranged on the base, and one end of the sleeve is arranged on the top block.

10. The bench vise according to claim 1, wherein: The clamping assembly further comprises a handwheel, which is arranged on the end of the screw rod away from the clamp block, and is used to drive the screw rod to rotate.

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