CN210422987U - Connecting device on pump head - Google Patents
Connecting device on pump head Download PDFInfo
- Publication number
- CN210422987U CN210422987U CN201921465566.6U CN201921465566U CN210422987U CN 210422987 U CN210422987 U CN 210422987U CN 201921465566 U CN201921465566 U CN 201921465566U CN 210422987 U CN210422987 U CN 210422987U
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- mounting
- locking
- sleeves
- parts
- pump head
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Abstract
The utility model discloses a connecting device on pump head, it all is provided with a connecting hole on every joint including setting up two joints on the pump head, two connect in all be provided with a lock cover and an installation cover, when connecting the water pipe, insert the water pipe in the lock cover, then when drawing the water pipe outward, the lock cover can press from both sides the water pipe tightly to make the water pipe fixed by the lock cover, like this, the utility model discloses it is comparatively convenient to make the connection water pipe.
Description
Technical Field
The utility model relates to a connecting device on pump head.
Background
The water pump is a machine for conveying liquid or pressurizing liquid, which transmits the mechanical energy of a prime motor or other external energy to the liquid to increase the energy of the liquid, and is mainly used for conveying liquid including water, oil, acid-base liquid, emulsion, suspoemulsion, liquid metal and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a connecting device on the pump head is provided, it makes to connect the water pipe comparatively convenient.
In order to solve the technical problem, the connecting device on the pump head provided by the utility model comprises two joints arranged on the pump head, wherein each joint is provided with a connecting hole, and a locking sleeve and an installation sleeve are arranged in the two joints;
the two mounting sleeves are respectively fixedly sleeved in the two connecting holes, the two mounting sleeves are respectively divided into a first mounting part and a second mounting part along the axis direction of the two mounting sleeves, the first mounting parts of the two mounting sleeves are respectively positioned on the opening surfaces of the two connecting holes, the second mounting parts of the two mounting sleeves respectively extend into the two connecting holes, a plurality of elastic clamping blocks are respectively arranged on the outer walls of the second mounting parts of the two mounting sleeves, the plurality of elastic clamping blocks on each mounting sleeve are uniformly distributed around the axis circumference of the respective mounting sleeve, the plurality of elastic clamping blocks on each mounting sleeve are obliquely arranged towards the opening surface of the connecting hole where the respective mounting sleeve is positioned, the plurality of elastic clamping blocks on each mounting sleeve are respectively in pressing fit with the hole wall of the connecting hole where the respective mounting sleeve is positioned, the inner walls of the second mounting parts of the two mounting sleeves are both conical walls, and the end of the inner walls of the second mounting parts of the two mounting sleeves, which has smaller diameter, is close to;
the two locking sleeves are respectively sleeved in the two mounting sleeves in an axially movable manner, the two locking sleeves are respectively sequentially divided into a first locking part, a second locking part and a third locking part along the axis direction of the two locking sleeves, the inner diameters of the first locking part, the second locking part and the third locking part of the two locking sleeves are equal, the outer diameter of the second locking part of the two locking sleeves is smaller than the outer diameters of the first locking part and the third locking part, the first locking parts of the two locking sleeves are respectively positioned outside the connecting hole, the two mounting sleeves are respectively sleeved on the second locking part of the two locking sleeves in an axially movable manner, the outer diameters of the two third locking parts are respectively smaller than the diameter of the larger end of the inner wall of the two second mounting parts, and the outer diameters of the two third locking parts are respectively larger than the diameter of the smaller end of the inner wall of the two second mounting parts;
and a plurality of axially extending slotted holes are formed in the end surfaces of the two locking sleeves in the connecting holes.
Preferably, at least one sealing ring is arranged in the connecting hole of each of the two joints.
Preferably, the pump head is fixedly provided with a connecting block, and the connecting block is fixedly connected with the outer walls of the two connectors respectively.
Preferably, the outer peripheral wall of the first locking part of each of the two locking sleeves is oval.
Preferably, the outer walls of the two connectors are provided with a plurality of reinforcing ribs, each reinforcing rib is fixedly connected with the outer wall of each connector and the pump head, and each reinforcing rib is triangular.
After the structure more than adopting, compared with the prior art, the utility model, have following advantage:
the utility model discloses a connecting device when with water piping connection, only need insert the locking cover with the water pipe in, then when drawing the water pipe outward, the water pipe can drive the outside removal of locking cover axial to the guide effect through the inner wall of the second installation department of installation cover makes the locking cover press from both sides the water pipe tightly, thereby makes the water pipe fixed by the locking cover, like this, the utility model discloses a connecting device only need insert the water pipe in the locking cover when connecting the water pipe, can accomplish the connection of water pipe, makes the water piping connection comparatively convenient.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is an exploded view of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, fig. 2 and fig. 3, the connecting device of the pump head of the present invention includes two connectors 10 disposed on the pump head, wherein the two connectors 10 are respectively used for connecting the water inlet pipe and the water outlet pipe, each connector 10 is provided with a connecting hole 11, and the two connectors 10 are provided with a locking sleeve 20 and an installation sleeve 30.
The two mounting sleeves 30 are respectively fixedly sleeved in the two connecting holes 11, the two mounting sleeves 30 are respectively divided into a first mounting part 31 and a second mounting part 32 along the axis direction of the two mounting sleeves 30, the first mounting parts 31 of the two mounting sleeves 30 are respectively positioned on the opening surfaces of the two connecting holes 11, the second mounting parts 32 of the two mounting sleeves 30 respectively extend into the two connecting holes 11, a plurality of elastic clamping blocks 33 are respectively arranged on the outer walls of the second mounting parts 32 of the two mounting sleeves 30, the elastic clamping blocks 33 on each mounting sleeve 30 are uniformly distributed around the axis circumference of the respective mounting sleeve 30, the elastic clamping blocks 33 on each mounting sleeve 30 are obliquely arranged towards the opening surface of the connecting hole 11 where the respective mounting sleeve 30 is positioned, the elastic clamping blocks 33 on each mounting sleeve 30 are tightly pressed and matched with the hole wall of the connecting hole 11 where the respective mounting sleeve 30 is positioned, thus, the mounting sleeve 30 is firmly fixed in the connecting hole 11 by the clamping action of the elastic latch 33, so that the mounting sleeve 30 cannot fall out of the connecting hole 11.
The inner walls of the second mounting portions 32 of the two mounting sleeves 30 are both conical walls, and the smaller diameter ends of the inner walls of the second mounting portions 32 of the two mounting sleeves 30 are both close to the opening surface of the connecting hole 11 where the respective mounting sleeve 30 is located, that is, the larger diameter ends of the second mounting portions 32 of the two mounting sleeves 30 are both facing the inside of the connecting hole 11 where the respective mounting sleeve 30 is located.
But two lock sleeves 20 are put in two installation covers 30 by the cover of axial activity respectively, two lock sleeves 20 all divide into first locking portion 21 along its self axis direction in proper order, second locking portion 22 and third locking portion 23, the first locking portion 21 of two lock sleeves 20, the internal diameter of second locking portion 22 and third locking portion 23 is all equal, the external diameter of the second locking portion 22 of two lock sleeves 20 all is less than the external diameter of first locking portion 21 and third locking portion 23, the first locking portion 21 of two lock sleeves 20 is located outside connecting hole 11 respectively, like this, when lock sleeve 20 slides to connecting hole 11 inside direction, the first locking portion 21 of lock sleeve 20 can offset with installation cover 30, thereby it is spacing to form the removal of lock sleeve 20.
The two mounting sleeves 30 are respectively sleeved on the second locking portions 22 of the two locking sleeves 20 in an axially movable manner, the outer diameters of the two third locking portions 23 are respectively smaller than the diameter of the larger end of the inner wall of the two second mounting portions 32, the outer diameters of the two third locking portions 23 are respectively larger than the diameter of the smaller end of the inner wall of the two second mounting portions 32, a plurality of axially extending slotted holes 24 are formed in the end faces, located in the connecting hole 11, of the two locking sleeves 20, the slotted holes 24 enable the locking sleeves 20 to be elastically deformed, and therefore the locking sleeves 20 can be folded.
Thus, the utility model discloses a connecting device when being connected with water pipe, only need insert the lock sleeve 20 with the water pipe in, then when drawing the water pipe outward, the water pipe can drive the outside removal of lock sleeve 20 axial to the guide effect of the conical inner wall of second installation department 32 through installation cover 30 makes lock sleeve 20 draw in order to press from both sides the water pipe tightly, thereby makes the water pipe fixed by lock sleeve 20
Two sealing rings 40 are disposed in the connecting holes 11 of the two joints 10, and the sealing rings 40 can seal a gap between the locking sleeve 20 and the inner wall of the connecting hole 11 to prevent water from leaking out of the gap.
The pump head on be fixed with a connecting block 50, connecting block 50 respectively with two outer wall fixed connection who connects 10, specifically, connecting block 50 respectively with the pump head with two outer wall integrated into one piece settings that connect 10, like this, connecting block 50 is with two joints 10 reinforcement.
The periphery wall of the first locking portion 21 of two lock sleeves 20 is oval, like this, slide lock sleeve 20 to the inside direction of connecting hole 11 when propping up the first locking portion 21 of lock sleeve 20 and mounting sleeve 30, the area of contact increase of first locking portion 21 and mounting sleeve 30 to make mounting sleeve 30 spacing to first locking portion 21 more firm.
All be provided with a plurality of strengthening rib 60 on the outer wall of two joints 10, every strengthening rib 60 all with the outer wall and the pump head fixed connection who connect 10, every strengthening rib 60 is triangle-shaped, like this, strengthening rib 60 can make two joints 10 more firm.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention, but should not be construed as limiting the claims, and the present invention is not limited to the above-described embodiments, but may be modified in various ways. In summary, all changes that can be made within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (5)
1. The utility model provides a connecting device on pump head, it all is provided with a connecting hole (11), its characterized in that including setting up two joints (10) on the pump head on every joint (10): a locking sleeve (20) and a mounting sleeve (30) are arranged in each of the two joints (10);
the two mounting sleeves (30) are respectively fixedly sleeved in the two connecting holes (11), the two mounting sleeves (30) are respectively divided into a first mounting part (31) and a second mounting part (32) along the axis direction of the two mounting sleeves, the first mounting parts (31) of the two mounting sleeves (30) are respectively positioned on the opening surfaces of the two connecting holes (11), the second mounting parts (32) of the two mounting sleeves (30) respectively extend into the two connecting holes (11), a plurality of elastic clamping blocks (33) are respectively arranged on the outer walls of the second mounting parts (32) of the two mounting sleeves (30), a plurality of elastic clamping blocks (33) on each mounting sleeve (30) are respectively and uniformly distributed around the axis circumference of the respective mounting sleeve (30), a plurality of elastic clamping blocks (33) on each mounting sleeve (30) are respectively and obliquely arranged towards the opening surface of the connecting hole (11) where the respective mounting sleeve (30) is positioned, the elastic fixture blocks (33) on each mounting sleeve (30) are in press fit with the hole wall of the connecting hole (11) where the respective mounting sleeve (30) is located, the inner walls of the second mounting parts (32) of the two mounting sleeves (30) are both conical walls, and the smaller diameter ends of the inner walls of the second mounting parts (32) of the two mounting sleeves (30) are both close to the opening surface of the connecting hole (11) where the respective mounting sleeve (30) is located;
the two locking sleeves (20) are respectively sleeved in the two mounting sleeves (30) in an axially movable manner, the two locking sleeves (20) are respectively sequentially divided into a first locking part (21), a second locking part (22) and a third locking part (23) along the axis direction of the two locking sleeves, the inner diameters of the first locking part (21), the second locking part (22) and the third locking part (23) of the two locking sleeves (20) are equal, the outer diameters of the second locking parts (22) of the two locking sleeves (20) are respectively smaller than the outer diameters of the first locking part (21) and the third locking part (23), the first locking parts (21) of the two locking sleeves (20) are respectively positioned outside the connecting hole (11), the two mounting sleeves (30) are respectively sleeved on the second locking parts (22) of the two locking sleeves (20) in an axially movable manner, the outer diameters of the two third locking parts (23) are respectively smaller than the diameter of the larger end of the inner walls of the two second mounting parts (32), the outer diameters of the two third locking parts (23) are respectively larger than the diameter of the smaller end of the inner wall of the two second mounting parts (32);
one end face of each of the two locking sleeves (20) positioned in the connecting hole (11) is provided with a plurality of axially extending slotted holes (24).
2. A connection means on a pump head as claimed in claim 1, wherein: at least one sealing ring (40) is arranged in the connecting holes (11) of the two joints (10).
3. A connection means on a pump head as claimed in claim 2, wherein: the pump head on be fixed with a connecting block (50), connecting block (50) respectively with the outer wall fixed connection of two joints (10).
4. A connection means on a pump head as claimed in claim 3, wherein: the peripheral walls of the first locking parts (21) of the two locking sleeves (20) are both oval.
5. A connection means on a pump head as claimed in claim 4, wherein: the outer walls of the two connectors (10) are provided with a plurality of reinforcing ribs (60), each reinforcing rib (60) is fixedly connected with the outer wall of each connector (10) and the pump head, and each reinforcing rib (60) is triangular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465566.6U CN210422987U (en) | 2019-09-05 | 2019-09-05 | Connecting device on pump head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921465566.6U CN210422987U (en) | 2019-09-05 | 2019-09-05 | Connecting device on pump head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210422987U true CN210422987U (en) | 2020-04-28 |
Family
ID=70366037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921465566.6U Active CN210422987U (en) | 2019-09-05 | 2019-09-05 | Connecting device on pump head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210422987U (en) |
-
2019
- 2019-09-05 CN CN201921465566.6U patent/CN210422987U/en active Active
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