CN214464858U - Pump with improved thin-wall type pump body sleeve connecting structure - Google Patents
Pump with improved thin-wall type pump body sleeve connecting structure Download PDFInfo
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- CN214464858U CN214464858U CN202022332581.2U CN202022332581U CN214464858U CN 214464858 U CN214464858 U CN 214464858U CN 202022332581 U CN202022332581 U CN 202022332581U CN 214464858 U CN214464858 U CN 214464858U
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Abstract
The utility model relates to an improve thin wall formula pump body sleeve connection structure's pump, the locating pin direction of solving the prior art existence is difficult to the problem of location, the technical scheme of adoption: the positioning pin is provided with a direction positioning structure, the thin-wall type pump body sleeve is provided with a positioning matching structure corresponding to the direction positioning structure, and the direction positioning structure is matched with the positioning matching structure, so that the axis of the axial threaded hole is always parallel to the axis of the thin-wall type pump body sleeve after the positioning pin is inserted into the positioning pin hole. The method has the following effects: the purpose that the axial threaded hole is parallel to the axis of the thin-wall type pump body sleeve can be achieved by inserting the positioning pin into the positioning pin hole, the connecting piece is convenient to insert to form threaded connection, the direction that the axial threaded hole is adjusted by continuously rotating the positioning pin is avoided, and the assembly efficiency is greatly improved.
Description
Technical Field
The utility model relates to a pump especially relates to an improve thin wall formula pump body muffjoint structure's pump.
Background
The pump with the thin-wall pump body sleeve comprises the thin-wall pump body sleeve and an extrusion chamber connected to one end of the thin-wall pump body sleeve. The corresponding end part of the thin-wall type pump body sleeve is provided with a positioning pin hole, a positioning pin is arranged in the positioning pin hole, an axial threaded hole is formed in a pin part of the positioning pin, axial connecting holes are formed in the periphery of the extrusion chamber, and a connecting piece penetrates through the axial connecting holes and forms threaded connection with the axial threaded hole, so that the extrusion chamber is connected to the end part of the thin-wall type pump body sleeve.
The pin part of the existing positioning pin is generally cylindrical, and the positioning pin hole is a round hole. When the positioning pin is inserted into the positioning pin hole, the axis of the axial threaded hole in the positioning pin is difficult to keep parallel with the axis of the thin-wall type pump body sleeve, and then the connecting piece is difficult to be inserted into the axial threaded hole. The axis direction of the axial threaded hole needs to be rotated and positioned, but the axial threaded hole cannot be rotated to the position at one time, so that more time is consumed to adjust the axial threaded hole in place, and the assembly efficiency is influenced.
Disclosure of Invention
An object of the utility model is to solve the above-mentioned problem that prior art exists and provide an improve thin wall formula pump body sleeve connection structure's pump, set up respectively on locating pin and locating pin hole and set up direction location structure and location cooperation structure, make the locating pin inserts the axis of locating pin hole back axial screw hole all the time with thin wall formula pump body sleeve's axis is parallel, and the locating pin inserts the locating pin hole and can realize the parallel purpose of axial screw hole and thin wall formula pump body sleeve axis promptly, makes things convenient for the connecting piece to insert and forms threaded connection, avoids constantly rotatory locating pin to adjust the direction of axial screw hole, is for improving assembly efficiency greatly.
The above technical purpose of the present invention is mainly solved by the following technical solutions: the pump with improved thin-wall type pump body sleeve connecting structure comprises a thin-wall type pump body sleeve, an extrusion chamber connected with one end of the thin-wall type pump body sleeve, a radial positioning pin hole is arranged at the corresponding position of the end part of the thin-wall type pump body sleeve, a positioning pin is arranged in the positioning pin hole, an axial threaded hole is formed in the positioning pin, axial connecting holes are formed in the periphery of the extrusion chamber, a connecting piece penetrates through the axial connecting holes and is in threaded connection with the axial threaded holes, the extrusion chamber is connected to the end portion of the thin-wall type pump body sleeve, it is characterized in that a direction positioning structure is arranged on the positioning pin, a positioning matching structure is arranged on the thin-wall type pump body sleeve corresponding to the direction positioning structure, the direction positioning structure and the positioning matching structure form matching, so that the axis of the axial threaded hole is always parallel to the axis of the thin-wall pump body sleeve after the positioning pin is inserted into the positioning pin hole. During assembly, the positioning pin is inserted into the positioning pin hole, so that the purpose that the axial threaded hole is parallel to the axis of the thin-wall type pump body sleeve can be achieved, the connecting piece is conveniently inserted to form threaded connection, the positioning pin is prevented from being continuously rotated to adjust the direction of the axial threaded hole, and the assembly efficiency is greatly improved. The positioning matching structure and the positioning matching structure can be matched by a projection and a recess, and can also be matched by a plane and a plane.
As further improvement and supplement to the above technical scheme, the utility model discloses a following technical measure:
the direction positioning structure is a positioning plane, the positioning plane is arranged on the pin part of the positioning pin, the positioning matching structure is a positioning matching plane, the positioning matching plane forms a part of the inner wall of the positioning pin hole, and the positioning matching plane and the positioning plane are correspondingly matched.
In order to facilitate processing, the consumption of raw materials is saved, the assembly is more convenient, the direction positioning structure comprises two positioning planes, the two positioning planes are arranged on the pin part of the positioning pin, the positioning matching structure comprises two positioning matching planes, the two positioning matching planes are the inner wall parts of the positioning pin holes, and the positioning matching planes and the positioning planes are matched in a one-to-one correspondence mode.
Preferably, the two positioning planes are arranged in parallel, the cross section of the pin part of the positioning pin is waist drum-shaped, and the two positioning matching planes are arranged in parallel.
The axial line of the axial connecting hole is parallel to the axial line of the thin-wall type pump body sleeve, and the axial line of the axial connecting hole and the axial line of the corresponding axial threaded hole are located on the same straight line.
The positioning plane is vertically matched with the axis of the axial threaded hole.
In order to conveniently detach or assemble the positioning pin, the outer end of the positioning pin is a buckling part which is circular, and the outer diameter of the buckling part is larger than that of the positioning pin hole.
The utility model discloses beneficial effect who has: set up respectively on locating pin and locating pin hole and set up direction location structure and location cooperation structure, make the locating pin inserts axial screw hole's behind the locating pin hole axis all the time with thin wall formula pump body sleeve's axis is parallel, and the locating pin inserts the locating pin hole and can realize the parallel purpose of axial screw hole and thin wall formula pump body sleeve axis, makes things convenient for the connecting piece to insert and forms threaded connection, avoids constantly rotatory locating pin to adjust the direction of axial screw hole, for improving assembly efficiency greatly.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic diagram of the exploded structure of fig. 1.
Detailed Description
The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.
Example (b): as shown in fig. 1 and 2, the pump with the improved thin-wall type pump body sleeve connection structure comprises a thin-wall type pump body sleeve 1 and an extrusion chamber 2 connected to one end of the thin-wall type pump body sleeve, wherein a radial positioning pin hole 11 is formed in the corresponding position of the end portion of the thin-wall type pump body sleeve, a positioning pin 3 is arranged in the positioning pin hole, an axial threaded hole 31 is formed in the positioning pin, axial connection holes 21 are formed in the periphery of the extrusion chamber, and a connecting piece 4 penetrates through the axial connection holes and forms threaded connection with the axial threaded hole, so that the extrusion chamber is connected to the end portion of the thin-wall type pump body sleeve.
The positioning pin 3 is provided with a direction positioning structure 32, the thin-wall type pump body sleeve 1 is provided with a positioning matching structure 12 corresponding to the direction positioning structure, and the direction positioning structure is matched with the positioning matching structure, so that the axis of the axial threaded hole is always parallel to the axis of the thin-wall type pump body sleeve after the positioning pin is inserted into the positioning pin hole. During assembly, the positioning pin is inserted into the positioning pin hole, so that the purpose that the axial threaded hole is parallel to the axis of the thin-wall type pump body sleeve can be achieved, the connecting piece is conveniently inserted to form threaded connection, the positioning pin is prevented from being continuously rotated to adjust the direction of the axial threaded hole, and the assembly efficiency is greatly improved. The positioning matching structure and the positioning matching structure can be matched by a projection and a recess, and can also be matched by a plane and a plane.
As further improvement and supplement to the above technical scheme, the utility model discloses a following technical measure:
the direction positioning structure 32 is a positioning plane, the positioning plane is arranged on the pin part of the positioning pin, the positioning matching structure is a positioning matching plane, the positioning matching plane 12 forms a part of the inner wall of the positioning pin hole, and the positioning matching plane and the positioning plane are correspondingly matched.
In order to facilitate processing, the consumption of raw materials is saved, the assembly is more convenient, the direction positioning structure comprises two positioning planes, the two positioning planes are arranged on the pin part of the positioning pin, the positioning matching structure comprises two positioning matching planes, the two positioning matching planes are the inner wall parts of the positioning pin holes, and the positioning matching planes and the positioning planes are matched in a one-to-one correspondence mode.
Preferably, the two positioning planes 32 are arranged in parallel, the cross section of the pin part of the positioning pin is waist drum-shaped, and the two positioning matching planes 12 are arranged in parallel.
The axial line of the axial connecting hole 31 is parallel to the axial line of the thin-wall type pump body sleeve 1, and the axial line of the axial connecting hole 21 and the axial line of the corresponding axial threaded hole 31 are located on the same straight line.
The locating flat 32 is vertically matched with the axis of the axial threaded hole.
In order to conveniently detach or assemble the positioning pin, the outer end of the positioning pin is a buckling part 33, the buckling part is circular, and the outer diameter of the buckling part is larger than that of the positioning pin hole.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention. In the above embodiments, the present invention may be variously modified and changed. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The pump with improved thin-wall type pump body sleeve connecting structure comprises a thin-wall type pump body sleeve, an extrusion chamber connected with one end of the thin-wall type pump body sleeve, a radial positioning pin hole is arranged at the corresponding position of the end part of the thin-wall type pump body sleeve, a positioning pin is arranged in the positioning pin hole, an axial threaded hole is formed in the positioning pin, axial connecting holes are formed in the periphery of the extrusion chamber, a connecting piece penetrates through the axial connecting holes and is in threaded connection with the axial threaded holes, the extrusion chamber is connected to the end portion of the thin-wall type pump body sleeve, it is characterized in that a direction positioning structure is arranged on the positioning pin, a positioning matching structure is arranged on the thin-wall type pump body sleeve corresponding to the direction positioning structure, the direction positioning structure and the positioning matching structure form matching, so that the axis of the axial threaded hole is always parallel to the axis of the thin-wall pump body sleeve after the positioning pin is inserted into the positioning pin hole.
2. The pump with the improved thin-wall type pump body sleeve connecting structure according to claim 1, wherein the direction positioning structure is a positioning plane, the positioning plane is arranged on the pin portion of the positioning pin, the positioning matching structure is a positioning matching plane, the positioning matching plane forms a part of the inner wall of the positioning pin hole, and the positioning matching plane and the positioning plane are correspondingly matched.
3. The pump with the improved thin-wall type pump body sleeve connecting structure according to claim 1, wherein the direction positioning structure is two positioning planes, the two positioning planes are arranged on the pin portion of the positioning pin, the positioning matching structure is two positioning matching planes, the two positioning matching planes are both inner wall portions of the positioning pin hole, and the positioning matching planes and the positioning planes are matched in a one-to-one correspondence manner.
4. The pump with the improved thin-wall type pump body sleeve connecting structure according to claim 3, wherein the two positioning planes are arranged in parallel, the cross section of the pin part of the positioning pin is waist drum-shaped, and the two positioning matching planes are arranged in parallel.
5. The pump for improving the thin-wall pump body sleeve connecting structure according to any one of claims 2 to 4, wherein the axis of the axial connecting hole is parallel to the axis of the thin-wall pump body sleeve, and the axis of the axial connecting hole and the axis of the corresponding axial threaded hole are located on the same straight line.
6. A pump for improving the sleeve connection structure of the thin-wall pump body according to any one of claims 2 to 4, wherein the positioning plane is vertically matched with the axis of the axial threaded hole.
7. A pump with an improved thin-wall type pump body sleeve connecting structure according to claim 5, wherein the locating plane is vertically matched with the axis of the axial threaded hole.
8. The pump of claim 7, wherein the outer end of the positioning pin is a buckle part, the buckle part is circular, and the outer diameter of the buckle part is larger than the outer diameter of the positioning pin hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022332581.2U CN214464858U (en) | 2020-10-19 | 2020-10-19 | Pump with improved thin-wall type pump body sleeve connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022332581.2U CN214464858U (en) | 2020-10-19 | 2020-10-19 | Pump with improved thin-wall type pump body sleeve connecting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214464858U true CN214464858U (en) | 2021-10-22 |
Family
ID=78147543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022332581.2U Active CN214464858U (en) | 2020-10-19 | 2020-10-19 | Pump with improved thin-wall type pump body sleeve connecting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214464858U (en) |
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2020
- 2020-10-19 CN CN202022332581.2U patent/CN214464858U/en active Active
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