Bolt locking equipment
By designing a combination of a pneumatic wrench body, a detachable wrench sleeve, and an adjusting block, the problem of insufficient flexibility in the use of existing wrenches is solved, enabling flexible tightening of bolts and nuts of different sizes and improving ease of use.
Patent Information
- Application Number
- CN202520218238.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2035-02-12
AI Technical Summary
Existing wrenches require the use of different sized sockets, resulting in insufficient flexibility. They are also prone to being lost or require carrying multiple sizes, making it difficult to meet actual needs.
A bolt tightening device was designed, which adopts a pneumatic wrench body, equipped with a detachable wrench sleeve and an adjusting block. It can adapt to the tightening of bolts and nuts of different sizes by adjusting the screw and guide post, and uses a locking buckle to fix the sleeve.
It enables flexible tightening of bolts and nuts of different sizes, improving usability and avoiding the loss and inconvenience of carrying the socket.
Smart Images

Figure CN223589323U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to spanner technical field, especially a bolt locking equipment. BACKGROUND
[0002] When tightening and fixing the bolt, the spanner needs to be used to assist in tightening and fixing, and in order to reduce the output of manpower, the pneumatic wrench or electric wrench is widely used.
[0003] The existing spanner is used when tightening the bolt, and different sizes of the bolt need to replace different spanner sleeves, and the spanner sleeve of a certain specification is easy to lose when the spanner is used, and the corresponding bolt cannot be screwed, or the spanner sleeves of multiple specifications need to be carried in real time.
[0004] Therefore, the existing spanner has poor flexibility in actual use, and it is difficult to meet the actual use requirement. UTILITY MODEL CONTENTS
[0005] The utility model discloses a bolt locking equipment to solve the problem that the existing spanner has poor flexibility in actual use.
[0006] In order to solve the above technical problem, the utility model is realized through the following technical scheme: a bolt locking equipment, including pneumatic wrench body, the one end fixed with connecting sleeve of the output shaft of pneumatic wrench body, and the one side of pneumatic wrench body is provided with the spanner sleeve that can be detachably connected with connecting sleeve;
[0007] The inside of the spanner sleeve is provided with a plurality of adjusting blocks arranged uniformly in a circumferential shape, and the outside of the spanner sleeve is provided with a plurality of adjusting screws for adjusting the adjusting blocks along the radial direction of the spanner sleeve.
[0008] As a preferred scheme, the two ends of the adjusting block are fixed with guide columns penetrating outwards through the spanner sleeve, and the position between the two guide columns of the adjusting block is provided with a connecting hole, the other side of the adjusting block is provided with a connecting screw fixedly connected with the adjusting screw, and the other side of the adjusting block is provided with a countersunk groove for accommodating the connecting screw.
[0009] As a preferred scheme, one end of the adjusting screw includes a hexagonal screw head, and the other end of the adjusting screw is fixedly connected with a connecting column through the spanner sleeve, and the connecting column is fixedly connected with the connecting screw through the connecting hole.
[0010] As a preferred scheme, one end of the spanner sleeve is fixed with a connecting shaft, the end of the connecting shaft away from the spanner sleeve is fixed with an insertion block, and the outside of the insertion block is provided with a buckling groove.
[0011] As a preferred scheme, the outer side of the connecting sleeve is provided with a giving opening, and the outer side of the connecting sleeve is fixed with a lock catch which is buckled with the buckle slot through the giving opening.
[0012] As a preferred scheme, the lock catch comprises an elastic sheet, one end of the elastic sheet is fixed with a mounting edge, and one side of the elastic sheet is fixed with a buckle column which passes through the giving opening.
[0013] Compared with the prior art, the utility model has the advantages that:
[0014] The wrench sleeve is used for being sleeved on the outer side of the bolt or nut when being rotated, and the adjusting block is adjusted through the screw, so that the plurality of adjusting blocks are tightly arranged on the outer side of the bolt or nut, so that the tightening adjustment of the bolts and nuts with different sizes can be met, and the use flexibility is good. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 is the overall structure schematic view of the utility model;
[0016] Figure 2 is the wrench sleeve schematic view of the utility model;
[0017] Figure 3 is the adjusting block schematic view of the utility model;
[0018] Figure 4 is the connecting sleeve schematic view of the utility model;
[0019] Figure 5 is the lock catch schematic view of the utility model.
[0020] In the drawing: 1, pneumatic wrench body;2, connecting sleeve;21, giving opening;22, lock catch;221, mounting edge;222, elastic sheet;223, buckle column;3, wrench sleeve;31, buckle slot;32, plug-in block;33, connecting shaft;34, adjusting screw;341, screw head;342, connecting column;35, adjusting block;351, guide column;352, connecting screw;353, connecting hole;36, guide hole;37, threaded hole;38, guide slot. DETAILED DESCRIPTION
[0021] As Figure 1 shown, a bolt locking device comprises a pneumatic wrench body 1, one end of the output shaft of the pneumatic wrench body 1 is fixed with a connecting sleeve 2, and one side of the pneumatic wrench body 1 is provided with a wrench sleeve 3 which is detachably connected with the connecting sleeve 2, the pneumatic wrench body 1 drives the output shaft to rotate under the drive of high pressure, so as to drive the connecting sleeve 2 and the wrench sleeve 3 to rotate and screw the bolt;
[0022] As Figure 2As shown, the inner side of the wrench sleeve 3 is provided with a plurality of circumferentially uniformly arranged adjusting blocks 35, and the outer side of the wrench sleeve 3 is threadedly provided with a plurality of adjusting screws 34 for adjusting the adjusting blocks 35 along the radial direction of the wrench sleeve 3, the wrench sleeve 3 is used to be sleeved on the outer side of the bolt or nut when being screwed, and the adjusting blocks 35 are adjusted by screwing the adjusting screws 34, so that the plurality of adjusting blocks 35 abut against the outer side of the bolt or nut, thereby being able to meet the tightening adjustment of bolts and nuts of different sizes, and having good use flexibility.
[0023] As shown in the Figure 3 adjusting block 35 is fixed at both ends of one side of the adjusting block 35 and penetrates the wrench sleeve 3 outward, and the adjusting block 35 is guided when being adjusted by the guide column 351;
[0024] The adjusting block 35 is provided with a connecting hole 353 between the two guide columns 351 for connecting with the adjusting screw 34; the other side of the adjusting block 35 is provided with a connecting screw 352 fixedly connected with the adjusting screw 34, and the other side of the adjusting block 35 is provided with a countersunk groove for accommodating the connecting screw 352, the connecting screw 352 is installed in the countersunk groove and fixedly connected with the adjusting screw 34.
[0025] As shown in the Figure 3 The adjusting screw 34 includes a hexagonal screw head 341 at one end, and the other end of the adjusting screw 34 is threadedly connected with a connecting column 342 penetrating the wrench sleeve 3, and the connecting column 342 is fixedly connected with the connecting screw 352 through the connecting hole 353.
[0026] As shown in the Figure 2 One end of the wrench sleeve 3 is fixedly provided with a connecting shaft 33, and the other end of the connecting shaft 33 away from the wrench sleeve 3 is fixedly provided with an insertion block 32, and the wrench sleeve 3 is sleeved on the inner side of the connecting sleeve 2 by means of the insertion block 32 on the connecting shaft 33;
[0027] The outer side of the insertion block 32 is provided with a buckle groove 31, and the insertion block 32 is locked and matched with the lock buckle 22 on the connecting sleeve 2 by means of the buckle groove 31.
[0028] As shown in the Figure 4 The outer side of the connecting sleeve 2 is provided with a gap opening 21 for allowing the lock buckle 22 to be locked; the outer side of the connecting sleeve 2 is fixedly provided with a lock buckle 22 penetrating the gap opening 21 and being buckled matched with the buckle groove 31, and the lock buckle 22 is used to lock the sleeved insertion block 32.
[0029] As shown in the Figure 5As shown, the lock catch 22 comprises a spring 222, one end of the spring 222 is fixed with a mounting edge 221, and one side of the spring 222 is fixed with a buckle column 223 passing through the accommodating opening 21, when the lock catch 22 locks the plug block 32, the buckle column 223 is elastically pressed by the spring 222 so as to be locked and fixed in the buckle groove 31.
[0030] In the embodiment, when the bolt or nut is screwed, the joint of the pneumatic wrench body 1 is connected with the air pipe, the wrench sleeve 3 is inserted into the inner side of the connecting sleeve 2 by the plug block 32 and is locked and fixed by the lock catch 22, then the wrench sleeve 3 is used for screwing and is sleeved outside the bolt or nut, then the adjusting screw 34 is adjusted to the adjusting block 35, so that the adjusting blocks 35 are all gathered to the center of the wrench sleeve 3 and are tightly contacted with the outside of the bolt or nut, at this time, the pneumatic wrench body 1 is started to screw the bolt or nut.
[0031] The above is the preferred embodiment of the utility model, the skilled in the art of the utility model can also change and modify the above embodiment, therefore, the utility model is not limited to the above specific embodiment, any obvious improvement, replacement or modification made by the skilled in the art on the basis of the utility model belongs to the protection scope of the utility model.
Claims
1. A bolting device comprising a pneumatic wrench body (1), characterized in that: One end of the output shaft of the pneumatic wrench body (1) is fixedly connected with a connecting sleeve (2), and one side of the pneumatic wrench body (1) is provided with a wrench sleeve (3) which is detachably connected with the connecting sleeve (2); The inner side of the wrench sleeve (3) is provided with a plurality of adjusting blocks (35) which are uniformly arranged in a circumferential shape, and the outer side of the wrench sleeve (3) is threadedly provided with a plurality of adjusting screws (34) which are used for adjusting the adjusting blocks (35) along the radial direction of the wrench sleeve (3).
2. A bolting device according to claim 1, wherein: The two ends of one side of the adjusting block (35) are fixedly provided with guide columns (351) which penetrate the wrench sleeve (3) outward, and the position between the two guide columns (351) of the adjusting block (35) is provided with a connecting hole (353), the other side of the adjusting block (35) is provided with a connecting screw (352) which is fixedly connected with the adjusting screw (34), and the other side of the adjusting block (35) is provided with a countersunk groove which is used for accommodating the connecting screw (352).
3. A bolting device according to claim 2, wherein: One end of the adjusting screw (34) comprises a hexagonal screw head (341), and the other end of the adjusting screw (34) is threadedly provided with a connecting column (342) which penetrates the wrench sleeve (3), and the connecting column (342) is fixedly connected with the connecting screw (352) through the connecting hole (353).
4. A bolting device according to claim 1, wherein: One end of the wrench sleeve (3) is fixedly provided with a connecting shaft (33), the end of the connecting shaft (33) away from the wrench sleeve (3) is fixedly provided with an insertion block (32), and the outer side of the insertion block (32) is provided with a buckling groove (31).
5. A bolting device according to claim 4, wherein: The outer side of the connecting sleeve (2) is provided with a gap opening (21), and the outer side of the connecting sleeve (2) is fixedly provided with a lock buckle (22) which is buckled and matched with the buckling groove (31) through the gap opening (21).
6. A bolting device according to claim 5, wherein: The lock buckle (22) comprises a spring piece (222), one end of the spring piece (222) is fixedly provided with a mounting edge (221), and one side of the spring piece (222) is fixedly provided with a buckling column (223) which penetrates the gap opening (21).