CN216469640U - Self-resetting pressing pump - Google Patents
Self-resetting pressing pump Download PDFInfo
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- CN216469640U CN216469640U CN202120453766.0U CN202120453766U CN216469640U CN 216469640 U CN216469640 U CN 216469640U CN 202120453766 U CN202120453766 U CN 202120453766U CN 216469640 U CN216469640 U CN 216469640U
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- sealing sleeve
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Abstract
A self-resetting pressing pump comprises a screw thread, a lock cover, a body, a pressing head, a main column, an auxiliary column, a piston, a glass ball, a suction pipe and an annular top sealing sleeve; the lower end of the top sealing sleeve is arranged in the counter bore, and the pipe body part of the main column penetrates through the top sealing sleeve, the sealing sleeve and the guide hole to be connected with the auxiliary column; the top sealing sleeve is in sealing and sliding fit with the sleeve, the sealing sleeve is in sealing and sliding fit with the pipe body part, and a gap between the body part of the locking cover and the sleeve and the lower cavity form an air cavity; the liquid inlet channel of the button is inserted into the upper connecting cavity; in a locking state, the inner locking thread is matched with the outer locking thread, and the stop sleeve is matched with the annular connecting seat for stopping; and in an unlocking state, the upper ends of the external locking threads and the internal locking threads are matched to stop. Due to the adoption of the structure, the top sealing sleeve and the sealing sleeve on the locking cover are arranged to form an air cavity, and self-resetting is realized through air pressure; compared with the prior art, the spring has the advantages of one less spring component, cost reduction, convenient assembly and high work efficiency.
Description
Technical Field
The present invention relates to a push pump.
Background
In the prior art, a dustproof pressing pump with an external spring comprises a screw thread, a lock cover, a body, a pressing head, a main column, an auxiliary column, a piston, a spring, a glass ball and a suction pipe, wherein a top plate of the screw thread is provided with a through hole; the liquid inlet channel is connected with the upper end of the main column, the upper end of the auxiliary column is connected with the lower end of the main column, and the main column is in sliding fit with the lock cover. There are problems in that: when the press head and the main column are reset, the structure is complex and the cost is high by the aid of the spring.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is: the self-resetting pressing pump has the characteristics of self-resetting of the pressing head and the main column, simple structure and low cost.
The utility model is realized by the following steps: a self-resetting pressing pump comprises a screw thread, a lock cover, a body, a press head, a main column, an auxiliary column, a piston, a glass ball and a suction pipe, wherein a through hole is formed in a top plate of the screw thread; the liquid inlet channel is connected with the upper end of the main column, the upper end of the auxiliary column is connected with the lower end of the main column, and the main column is in sliding fit with the lock cover; it is characterized in that: the locking cover comprises a body part with an upper opening, a counter bore arranged at the upper end of the body part, an annular connecting seat surrounding the upper end, a guide hole arranged on a bottom plate of the body part, a sealing sleeve arranged at the upper end of the guide hole and an inner locking thread arranged in the lower end of the body part, and the annular connecting seat is provided with an annular insertion groove;
the press head also comprises a stop sleeve surrounding the liquid inlet channel;
the main column comprises a pipe body part, a sleeve surrounding the upper part of the pipe body part, an annular partition plate arranged in the sleeve and an external locking thread arranged at the lower part of the sleeve, and the sleeve is divided into an upper connecting cavity and a lower cavity by the annular partition plate;
the device also comprises an annular top sealing sleeve;
the lower end of the top sealing sleeve is arranged in the counter bore, and the pipe body part of the main column penetrates through the top sealing sleeve, the sealing sleeve and the guide hole to be connected with the auxiliary column; the top sealing sleeve is in sealing and sliding fit with the sleeve, the sealing sleeve is in sealing and sliding fit with the pipe body part, and a gap between the body part of the locking cover and the sleeve and the lower cavity form an air cavity; the liquid inlet channel of the press head is inserted into the upper connecting cavity; in the locking state, the inner locking thread is matched with the outer locking thread, and the stop sleeve is matched with the annular connecting seat for stopping; and in an unlocking state, the upper ends of the external locking threads and the internal locking threads are matched to stop.
The self-resetting pressing pump is characterized in that: an annular sleeve is arranged on the bottom plate of the lock cover; and in the locked state, the annular sleeve is inserted into the sleeve and sealed.
The self-resetting pressing pump is characterized in that: the external locking thread is less than 360 degrees.
The self-resetting pressing pump is characterized in that: the body is equipped with the location arch, and protruding enough torsion of location is guaranteed to the bellied central angle size in location.
The self-resetting pressing pump is characterized in that: the positioning projection is hollow with an opening at a radially inner side and an axially lower end.
The self-resetting pressing pump is characterized in that: the positioning bulge is hollow and communicated with the inner cavity of the body
According to the self-resetting type pressing pump, due to the adoption of the structure, the top sealing sleeve and the sealing sleeve on the locking cover are arranged to form an air cavity, and self-resetting is realized through air pressure; compared with the prior art, the spring has the advantages of one less spring component, cost reduction, convenient assembly and high work efficiency.
Drawings
Fig. 1 is a cross-sectional view of the present invention.
Fig. 2 is one of exploded perspective views of the present invention.
Fig. 3 is a second exploded perspective view of the present invention.
Fig. 4 is a perspective cross-sectional view of the locking cap of the present invention.
Fig. 5 is a cross-sectional view of a first embodiment of the body of the utility model.
Fig. 6 is a cross-sectional view of a second embodiment of the body of the utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1, a self-resetting pressing pump comprises a screw thread 1, a locking cover 2, a body 3, a pressing head 4, a main column 5, an auxiliary column 6, a piston 7, a glass ball 8 and a suction pipe 9, wherein a top plate of the screw thread 1 is provided with a through hole, the body 3 comprises a port 31 arranged at the upper opening end, a flange 32, a suction pipe port 33 and a one-way valve seat 34, the pressing head 4 comprises a liquid inlet channel 41 and a liquid outlet channel 42, the port 31 penetrates through the through hole on the locking cover 2, the locking cover 2 is inserted into the body 3, and the port 31 is connected with the locking cover 2; the liquid inlet channel 41 is connected with the upper end of the main column 5, the upper end of the auxiliary column 6 is connected with the lower end of the main column 5, and the main column 5 is in sliding fit with the lock cover 2;
the locking cover 2 comprises a body part 21 with an upper opening, a counter bore 22 arranged at the upper end of the body part, an annular connecting seat 23 surrounding the upper end, a guide hole 24 arranged on a bottom plate of the body part, a sealing sleeve 25 arranged at the upper end of the guide hole and an inner locking thread 26 arranged in the lower end of the body part, wherein an annular inserting groove is arranged on the annular connecting seat 23;
the button head 4 also comprises a stop sleeve 43 surrounding the liquid inlet channel 41;
the main column 5 comprises a pipe body part 51, a sleeve 52 surrounding the upper part of the pipe body part, an annular partition plate 53 arranged in the sleeve and an external locking thread 54 arranged at the lower part of the sleeve, wherein the sleeve 52 is divided into an upper connecting cavity and a lower cavity 521 by the annular partition plate 53;
also included is an annular top seal cartridge 10;
the interface 31 is inserted into the annular insertion groove of the annular connecting seat 23 of the locking cover 2; the lower end of the top sealing sleeve 10 is arranged in the counter bore 22, and the pipe body part 51 of the main column 5 passes through the top sealing sleeve 10, the sealing sleeve 25 and the guide hole 24 to be connected with the auxiliary column 6; the top sealing sleeve 10 is in sealing and sliding fit with the sleeve 52, the sealing sleeve 25 is in sealing and sliding fit with the pipe body 51, and a gap between the body 21 of the locking cover 2 and the sleeve 51 and the lower cavity 52 form an air cavity, namely a gap between the body 21 of the locking cover 2 and the sleeve 52 at the lower part of the top sealing sleeve 10 and the lower cavity 52; the liquid inlet channel 41 of the press head 4 is inserted into the upper connecting cavity; in the locking state, the inner locking thread 26 is matched with the outer locking thread 54, and the stop sleeve 43 is matched with the annular connecting seat 23 for stopping; in the unlocked state, the outer locking thread 54 is matched with the upper end of the inner locking thread 26 to stop, namely, the gap between the body 21 of the locking cover 2 at the lower part of the top sealing sleeve 10 and the sleeve 52 is communicated with the lower cavity.
Fig. 1 is a cross-sectional view of the present invention in a locked state. In the state of fig. 1, the button head 4 and the main column 5 rotate together to realize unlocking; in the unlocking state, namely in the working state, the press head 4 is pressed, and after liquid is sprayed out, the press head 4 and the main column 5 automatically move upwards under the action of gas pressure.
An annular sleeve 27 is arranged on the bottom plate of the lock cover 2; in the locked state, the annular sleeve 27 is inserted into the sleeve 52 and sealed.
The external locking thread 54 is less than 360 degrees.
The body 3 is provided with a positioning bulge 35, and the central angle of the positioning bulge 35 ensures enough torsion of the positioning bulge.
As shown in fig. 2, 3, and 5, the positioning projection 35 is hollow and has an opening with a radially inner side and an axially lower end.
As shown in fig. 6, the positioning protrusion 35 is hollow and communicates with the inner cavity of the body.
What has been described above is merely a preferred embodiment of the present invention. It should be noted that a person skilled in the art could make several modifications and variations without departing from the principle of the present invention, which should also be regarded as the protection scope of the present invention.
Claims (6)
1. A self-resetting pressing pump comprises a screw thread, a lock cover, a body, a press head, a main column, an auxiliary column, a piston, a glass ball and a suction pipe, wherein a through hole is formed in a top plate of the screw thread; the liquid inlet channel is connected with the upper end of the main column, the upper end of the auxiliary column is connected with the lower end of the main column, and the main column is in sliding fit with the lock cover; the method is characterized in that: the locking cover comprises a body part with an upper opening, a counter bore arranged at the upper end of the body part, an annular connecting seat surrounding the upper end, a guide hole arranged on a bottom plate of the body part, a sealing sleeve arranged at the upper end of the guide hole and an inner locking thread arranged in the lower end of the body part, and the annular connecting seat is provided with an annular insertion groove;
the press head also comprises a stop sleeve surrounding the liquid inlet channel;
the main column comprises a pipe body part, a sleeve surrounding the upper part of the pipe body part, an annular partition plate arranged in the sleeve and an external locking thread arranged at the lower part of the sleeve, and the sleeve is divided into an upper connecting cavity and a lower cavity by the annular partition plate;
the device also comprises an annular top sealing sleeve;
the lower end of the top sealing sleeve is arranged in the counter bore, and the pipe body part of the main column penetrates through the top sealing sleeve, the sealing sleeve and the guide hole to be connected with the auxiliary column; the top sealing sleeve is in sealing and sliding fit with the sleeve, the sealing sleeve is in sealing and sliding fit with the pipe body part, and a gap between the body part of the locking cover and the sleeve and the lower cavity form an air cavity; the liquid inlet channel of the press head is inserted into the upper connecting cavity; in the locking state, the inner locking thread is matched with the outer locking thread, and the stop sleeve is matched with the annular connecting seat for stopping; and in an unlocking state, the upper ends of the external locking threads and the internal locking threads are matched to stop.
2. A self-resetting push pump according to claim 1, characterized in that: an annular sleeve is arranged on the bottom plate of the lock cover; and in the locked state, the annular sleeve is inserted into the sleeve and sealed.
3. A self-resetting push pump according to claim 1, characterized in that: the external locking thread is less than 360 degrees.
4. A self-returning type pressing pump according to claim 1, 2 or 3, wherein: the body is equipped with the location arch, and protruding enough torsion of location is guaranteed to the bellied central angle size in location.
5. A self-returning type pressing pump according to claim 4, wherein: the positioning projection is hollow with an opening at a radially inner side and an axially lower end.
6. A self-resetting push pump according to claim 5, characterized in that: the positioning bulge is hollow and is communicated with the inner cavity of the body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453766.0U CN216469640U (en) | 2021-03-02 | 2021-03-02 | Self-resetting pressing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120453766.0U CN216469640U (en) | 2021-03-02 | 2021-03-02 | Self-resetting pressing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216469640U true CN216469640U (en) | 2022-05-10 |
Family
ID=81394130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120453766.0U Active CN216469640U (en) | 2021-03-02 | 2021-03-02 | Self-resetting pressing pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216469640U (en) |
-
2021
- 2021-03-02 CN CN202120453766.0U patent/CN216469640U/en active Active
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