CN211439739U - A kind of spanner - Google Patents
A kind of spanner Download PDFInfo
- Publication number
- CN211439739U CN211439739U CN202020115485.XU CN202020115485U CN211439739U CN 211439739 U CN211439739 U CN 211439739U CN 202020115485 U CN202020115485 U CN 202020115485U CN 211439739 U CN211439739 U CN 211439739U
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- China
- Prior art keywords
- wrench
- hole
- wedge block
- clamping wedge
- handle
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Abstract
The utility model discloses a wrench, which comprises a wrench head, a wrench handle and a clamping wedge block, wherein the wrench head is annular and can be sleeved on a sealing screw, a clamping part is in threaded connection with the position on the wrench head opposite to a small hole on the sealing screw, and the clamping part can extend into the small hole or withdraw from the small hole; the wrench head is provided with a clamping wedge block mounting hole, one end of the wrench handle extends into the clamping wedge block mounting hole and is connected with the wrench head through a rotating shaft in a shaft coupling mode, the wrench handle can swing in the clamping wedge block mounting hole by a preset angle, and the axis of the rotating shaft is parallel to the central shaft of the wrench head; the clamping wedge block can be detachably arranged in the clamping wedge block mounting hole, and the wrench handle and the wrench head can be relatively static; the other end of the wrench handle is provided with a balancing weight. The sealing screw can be conveniently opened through the wrench.
Description
Technical Field
The utility model belongs to the technical field of mechanical tool, concretely relates to spanner.
Background
In the indoor experimental stage of oil and gas field development, a saline water with high mineralization degree and a stainless steel sealing pressure-bearing vessel are needed, and a sealing screw 9 (shown in figure 1) of the sealing pressure-bearing vessel is easy to be corroded by the saline water to rust. The sealing screw is very special, has a very large diameter and does not have a buckle or a friction belt, and only has four small holes 9-1 for inserting and rotating the iron rod (see figure 1). Particularly, when a sealing screw of a sealed pressure-bearing vessel is corroded by salt water, the sealing screw is very difficult to open by the way that the iron rod is inserted and rotated, so that a tool capable of opening the damaged special screw is urgently needed.
Disclosure of Invention
For solving the problem that exists among the prior art, the utility model aims to provide a spanner, through this spanner can be convenient general sealing screw opens.
The utility model adopts the technical scheme as follows:
a wrench comprises a wrench head, a wrench handle and a clamping wedge block, wherein the wrench head is annular and can be sleeved on a sealing screw, a clamping component is in threaded connection with the wrench head at a position opposite to a small hole in the sealing screw, and the clamping component can extend into the small hole or withdraw from the small hole; the wrench head is provided with a clamping wedge block mounting hole, one end of the wrench handle extends into the clamping wedge block mounting hole and is connected with the wrench head through a rotating shaft in a shaft coupling mode, the wrench handle can swing in the clamping wedge block mounting hole by a preset angle, and the axis of the rotating shaft is parallel to the central shaft of the wrench head; the clamping wedge block can be detachably arranged in the clamping wedge block mounting hole, and the wrench handle and the wrench head can be relatively static; the other end of the wrench handle is provided with a balancing weight.
The screens part adopts the screens screw, and the screw hole has been seted up in the position relative with the aperture on the sealing screw on the spanner head, the screens screw with screw hole threaded connection can stretch into in the aperture or withdraw from in the aperture after the screens screw is rotatory.
The shape of the clamping wedge block is matched with that of the clamping wedge block mounting hole, and the clamping wedge block can be embedded into the clamping wedge block mounting hole; offer on the screens voussoir and supply the through hole, the screens voussoir passes through the through hole cover on the trigger handle, has seted up first pin hole on the screens voussoir, has seted up second pin hole in the one end that is close to the rotation axis on the trigger handle, when the embedding of screens voussoir back in the screens voussoir mounting hole, through the pin connection that penetrates in first pin hole and the second pin hole between screens voussoir and the trigger handle.
The wrench handle is provided with a pin hole at one end close to the balancing weight, and the clamping wedge block is connected with the wrench handle through a pin penetrating into the first pin hole and the pin hole.
The balancing weight adopts a balancing weight ball.
The wrench head, the wrench handle, the clamping wedge block and the balancing weight are all made of steel.
The wrench of the utility model can be sleeved with the wrench head on the sealing screw, and the wrench head is provided with the position clamping part to relatively fix the wrench head and the sealing screw; the wrench handle is connected with the wrench head through the rotating shaft in a shaft mode, the wrench handle can swing in the clamping wedge block mounting hole by a preset angle, and the other end of the wrench handle is provided with the balancing weight, so that the sealing screw is unscrewed or opened by giving a certain initial speed to the wrench handle and utilizing inertia of the balancing weight, generated impact force and the lever principle of the wrench handle; the utility model discloses utilize the screens voussoir can make between wrench handle and the wrench end relative static, at this moment the utility model discloses a spanner is the same with the application method of ordinary spanner to can pull down the sealed screw of unscrewing or opening.
Drawings
FIG. 1 is a schematic structural view of a sealing screw of a sealed pressure-bearing vessel;
FIG. 2 is a schematic structural view of the wrench according to the present invention in a first use state;
FIG. 3 is a schematic structural view of the wedge of the present invention;
FIG. 4 is a schematic structural view of the wrench handle of the present invention;
FIG. 5 is a schematic structural view of the wrench head of the present invention;
FIG. 6 is a schematic structural view of the wrench head of the present invention;
FIG. 7 is a schematic structural view of another use state of the wrench of the present invention;
fig. 8 is a schematic structural view of another use state of the wrench of the present invention.
In the drawing, a wrench head is 1, a screw hole is 1-1, a second rotating shaft hole is 1-2, a clamping wedge block mounting hole is 1-3, a clamping screw is 2, a wrench handle is 3, a second pin hole is 3-1, a first rotating shaft hole is 3-2, a balancing weight is 4, a pin is 5, a first pin hole is 5-1, a clamping wedge block is 6, a through hole is 6-1, a pin hole is 7, a rotating shaft is 8, a sealing screw is 9, and a small hole is 9-1.
Detailed Description
The invention is further described with reference to the following figures and examples.
Referring to fig. 2, 7, 8 and 1, the wrench of the present invention includes a wrench head 1, a wrench handle 3 and a clamping wedge 6, wherein the wrench head 1 is ring-shaped and can be sleeved on a sealing screw 9, a clamping member is screwed on the wrench head 1 at a position opposite to an aperture 9-1 of the sealing screw 9, and the clamping member can extend into the aperture 9-1 or withdraw from the aperture 9-1; the wrench head 1 is provided with clamping wedge block mounting holes 1-3, one end of the wrench handle 3 extends into the clamping wedge block mounting holes 1-3 and is connected with the wrench head 1 through a rotating shaft 8 in a shaft coupling mode, the wrench handle 3 can swing in the clamping wedge block mounting holes 1-3 by a preset angle, and the axis of the rotating shaft 8 is parallel to the central shaft of the wrench head 1; the clamping wedge block 6 can be detachably arranged in the clamping wedge block mounting holes 1-3, and the wrench handle 3 and the wrench head 1 can be relatively static; the other end of the wrench handle 3 is provided with a balancing weight 4.
As the preferred embodiment of the present invention, referring to fig. 1, fig. 2, fig. 5, fig. 7 and fig. 8, the position-locking component adopts a position-locking screw 2, a screw hole 1-1 is provided on the wrench head 1 at a position opposite to the small hole 9-1 on the sealing screw 9, the position-locking screw 2 is in threaded connection with the screw hole 1-1, and the position-locking screw 2 can extend into the small hole 9-1 or withdraw from the small hole 9-1 after rotating.
As a preferred embodiment of the present invention, referring to fig. 2 to 8, the shape of the clamping wedge 6 is adapted to the shape of the clamping wedge mounting hole 1-3, and the clamping wedge 6 can be embedded into the clamping wedge mounting hole 1-3; the clamping wedge block 6 is provided with a through hole 6-1, the clamping wedge block 6 is sleeved on the wrench handle 3 through the through hole 6-1, the clamping wedge block 6 is provided with a first pin hole 5-1, the wrench handle 3 is provided with a second pin hole 3-1 at one end close to the rotating shaft 8, and after the clamping wedge block 6 is embedded into the clamping wedge block mounting hole 1-3, the clamping wedge block 6 is connected with the wrench handle 3 through a pin 5 penetrating into the first pin hole 5-1 and the second pin hole 3-1.
Referring to fig. 2, 4, 7 and 8, a pin hole 7 is formed at one end of the wrench handle 3 near the counterweight 4, and the locking wedge 6 is connected to the wrench handle 3 through a pin 5 penetrating through the first pin hole 5-1 and the pin hole 7.
As a preferred embodiment of the present invention, referring to fig. 2, 4, 7 and 8, the weight block 4 is a counterweight ball.
As the preferred embodiment of the utility model, the wrench head 1, the wrench handle 3, the clamping wedge 6 and the counterweight 4 are all made of steel.
Examples
The wrench comprises a wrench head 1, a wrench handle 3 and a clamping wedge 6, wherein the wrench head 1 is annular and can be sleeved on a sealing screw 9, a clamping part is in threaded connection with the position, opposite to a small hole 9-1 on the sealing screw 9, of the wrench head 1, and the clamping part can extend into the small hole 9-1 or withdraw from the small hole 9-1; the wrench head 1 is provided with clamping wedge block mounting holes 1-3, one end of the wrench handle 3 extends into the clamping wedge block mounting holes 1-3 and is connected with the wrench head 1 through a rotating shaft 8 in a shaft coupling mode, the wrench handle 3 can swing in the clamping wedge block mounting holes 1-3 by a preset angle, and the axis of the rotating shaft 8 is parallel to the central shaft of the wrench head 1; the clamping wedge block 6 can be detachably arranged in the clamping wedge block mounting holes 1-3, and the wrench handle 3 and the wrench head 1 can be relatively static; the other end of the wrench handle 3 is provided with a balancing weight 4.
The clamping part adopts a clamping screw 2, a screw hole 1-1 is formed in the wrench head 1 at a position opposite to the small hole 9-1 in the sealing screw 9, the clamping screw 2 is in threaded connection with the screw hole 1-1, and the clamping screw 2 can extend into the small hole 9-1 or withdraw from the small hole 9-1 after rotating. The shape of the clamping wedge block 6 is matched with that of the clamping wedge block mounting hole 1-3, and the clamping wedge block 6 can be embedded into the clamping wedge block mounting hole 1-3; the clamping wedge block 6 is provided with a through hole 6-1, the clamping wedge block 6 is sleeved on the wrench handle 3 through the through hole 6-1, the clamping wedge block 6 is provided with a first pin hole 5-1, the wrench handle 3 is provided with a second pin hole 3-1 at one end close to the rotating shaft 8, and after the clamping wedge block 6 is embedded into the clamping wedge block mounting hole 1-3, the clamping wedge block 6 is connected with the wrench handle 3 through a pin 5 penetrating into the first pin hole 5-1 and the second pin hole 3-1. A pin hole 7 is arranged at one end of the wrench handle 3 close to the balancing weight 4, and the clamping wedge block 6 is connected with the wrench handle 3 through a pin 5 penetrating into the first pin hole 5-1 and the pin hole 7. The balancing weight 4 adopts a balancing weight ball. The wrench head 1, the wrench handle 3, the clamping wedge block 6 and the balancing weight 4 are all made of steel.
The working principle of the wrench of the embodiment is as follows:
fig. 7 is a working state a of the wrench of this embodiment, the wrench handle 3 can rotate along with the rotation shaft 8, the clamping wedge 6 slides to the end of the wrench handle 3 (i.e. near one end of the counterweight ball), the wrench handle 3 is relatively fixed to the clamping wedge 6 by the pin 5, the clamping screw 2 is rotated to insert the clamping screw 2 into the corresponding small hole 9-1 on the sealing screw 9 of the workpiece sealed pressure-bearing vessel, and after a certain initial speed is applied to the wrench handle 3, the wrench head 1 unscrews or unscrews the sealed screw 9 through the clamping position of the clamping screw 2 by using the inertia of the counterweight ball and the lever principle and impact force. Fig. 8 is a working state B of the wrench of the present embodiment, after the sealing screw 9 is unscrewed or loosened, the locking wedge 6 is slid to the other end of the wrench handle 3 and is embedded into the locking wedge mounting holes 1-3, then the locking wedge 6 and the wrench handle 3 are relatively fixed by the pin 5, at this time, the wrench handle 3 cannot rotate around the rotation axis 8, at this time, the wrench handle 3 is pulled again, the wrench head 1 is driven by the wrench handle 3 to drive the sealing screw 9 to be removed, and at this time, the wrench of the present embodiment is similar to the ordinary wrench in use method.
Claims (6)
1. A wrench is characterized by comprising a wrench head (1), a wrench handle (3) and a clamping wedge block (6), wherein the wrench head (1) is annular and can be sleeved on a sealing screw (9), a clamping part is in threaded connection with the position, opposite to a small hole (9-1) on the sealing screw (9), on the wrench head (1), and the clamping part can extend into the small hole (9-1) or withdraw from the small hole (9-1); a clamping wedge block mounting hole (1-3) is formed in the wrench head (1), one end of the wrench handle (3) extends into the clamping wedge block mounting hole (1-3) and is connected with the wrench head (1) through a rotating shaft (8) in a shaft coupling mode, the wrench handle (3) can swing in the clamping wedge block mounting hole (1-3) for a preset angle, and the axis of the rotating shaft (8) is parallel to the central shaft of the wrench head (1); the clamping wedge block (6) can be detachably arranged in the clamping wedge block mounting hole (1-3), and the wrench handle (3) and the wrench head (1) can be relatively static; the other end of the wrench handle (3) is provided with a balancing weight (4).
2. The wrench as claimed in claim 1, wherein the locking member is a locking screw (2), a screw hole is formed in the wrench head (1) at a position opposite to the small hole (9-1) of the sealing screw (9), the locking screw (2) is in threaded connection with the screw hole, and the locking screw (2) can extend into the small hole (9-1) or withdraw from the small hole (9-1) after rotating.
3. A wrench as claimed in claim 1, characterized in that the shape of the locking wedge (6) is adapted to the shape of the locking wedge mounting hole (1-3), the locking wedge (6) being insertable into said locking wedge mounting hole (1-3); the clamping wedge block (6) is provided with a through hole (6-1), the clamping wedge block (6) is sleeved on the wrench handle (3) through the through hole (6-1), the clamping wedge block (6) is provided with a first pin hole (5-1), one end of the wrench handle (3) close to the rotating shaft (8) is provided with a second pin hole (3-1), and after the clamping wedge block (6) is embedded into the clamping wedge block mounting hole (1-3), the clamping wedge block (6) is connected with the wrench handle (3) through a pin (5) penetrating into the first pin hole (5-1) and the second pin hole (3-1).
4. A wrench as claimed in claim 3, wherein the wrench handle (3) is provided with a pin hole (7) at an end thereof adjacent to the weight member (4), and the locking wedge (6) is connected to the wrench handle (3) by a pin (5) passing through the first pin hole (5-1) and the pin hole (7).
5. A wrench as claimed in claim 1, wherein the weight (4) is a weight ball.
6. A wrench as claimed in claim 1, wherein the wrench head (1), the wrench handle (3), the locking wedge (6) and the weight (4) are made of steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115485.XU CN211439739U (en) | 2020-01-17 | 2020-01-17 | A kind of spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020115485.XU CN211439739U (en) | 2020-01-17 | 2020-01-17 | A kind of spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211439739U true CN211439739U (en) | 2020-09-08 |
Family
ID=72295294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020115485.XU Active CN211439739U (en) | 2020-01-17 | 2020-01-17 | A kind of spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211439739U (en) |
-
2020
- 2020-01-17 CN CN202020115485.XU patent/CN211439739U/en active Active
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