CN213419353U - 360-degree circulation inlet structure in double-screw suction pump - Google Patents

360-degree circulation inlet structure in double-screw suction pump Download PDF

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Publication number
CN213419353U
CN213419353U CN202021385334.2U CN202021385334U CN213419353U CN 213419353 U CN213419353 U CN 213419353U CN 202021385334 U CN202021385334 U CN 202021385334U CN 213419353 U CN213419353 U CN 213419353U
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China
Prior art keywords
inlet
groove
suction pump
block
connecting block
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Expired - Fee Related
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CN202021385334.2U
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Chinese (zh)
Inventor
张颖
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Tianjin Duoer Machinery Technology Co Ltd
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Tianjin Duoer Machinery Technology Co Ltd
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Priority to CN202021385334.2U priority Critical patent/CN213419353U/en
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Abstract

The utility model belongs to the technical field of the twin-screw pump, especially, 360 circulation entry structures in twin-screw suction pump, which comprises a pump body, the surface of the pump body is provided with the inlet, the surface of the pump body is provided with the liquid outlet, the inside of inlet and liquid outlet all communicates the inside of the pump body, the surface of inlet is provided with piecing devices. 360 circulation entry structures in this double screw suction pump, through setting up the external takeover of internal connection of first bloated piece from the inlet, utilize outside takeover to insert in the fixed block in proper order with in the first bloated piece, make the inside wall of inlet and the outside lateral wall of takeover be connected respectively to the outside surface and the inside surface of first bloated piece, when utilizing the bolt fastening fixed block, the push rod passes through piston ring extrusion hydraulic oil, make the surface expansion of first bloated piece, it is fixed to take over the inlet and outside support tightly, thereby make to have and be convenient for take over to seal fixedly connected with characteristics to double screw suction pump inlet.

Description

360-degree circulation inlet structure in double-screw suction pump
Technical Field
The utility model relates to a twin-screw pump technical field especially relates to a 360 circulation entry structures in twin-screw suction pump.
Background
The double-screw suction pump is a sealed cavity with constant volume formed between a screw sleeve and a pump body or a lining which are mutually meshed on a driving shaft and a driven shaft, a medium is respectively conveyed to the middle of the pump body along with the rotation of the screw shaft, the medium and the pump body are combined together and finally conveyed to an outlet of the pump, so that the conveying purpose of the pump is realized;
the fixed especially loaded down with trivial details that current double screw suction pump was taken over with the outside in the use, the inlet is not convenient for seal the kneck simultaneously to lead to producing liquid easily and leaking, cause the circumstances such as environmental pollution.
SUMMERY OF THE UTILITY MODEL
Based on current be convenient for take over sealed, fixed technical problem to twin-screw suction pump entry and outside, the utility model provides a 360 circulation entry structures in twin-screw suction pump.
The utility model provides a 360 circulation entry structures in double screw suction pump, which comprises a pump body, the surface of the pump body is provided with the inlet, the surface of the pump body is provided with the liquid outlet, the inside of inlet and the inside of liquid outlet all communicate the inside of the pump body, the surface of inlet is provided with piecing devices, piecing devices is through the internal surface and the external surface at the inlet expand tightly to reach sealed and fixed effect, piecing devices include fixed block and connecting block.
Preferably, the surface of fixed block and the surface of connecting block all are hollow ring form, the lateral wall of fixed block and the lateral wall adaptation of connecting block, the first bloated piece of inside wall fixedly connected with of connecting block, the surface of first bloated piece is hollow cylindric, the surface of first bloated piece and the inside wall adaptation of connecting block.
Through the technical scheme, the surfaces of the fixing blocks and the connecting blocks are both hollow circular rings, so that the external connecting pipes can be conveniently connected in an inserted mode.
Preferably, the front end surface of first bloated piece has seted up the spacing groove, the spacing groove is at the front end surface evenly distributed of first bloated piece, hydraulic groove has been seted up to the inside of first bloated piece, the cross-section in hydraulic groove is the ring form, the front end intercommunication in hydraulic groove has the spacing groove, hydraulic groove's inside packing has hydraulic oil.
Through above-mentioned technical scheme, the cross-section that utilizes hydraulic pressure groove is the ring form to be convenient for the even inflation of first bloated piece.
Preferably, the rear end edge fixedly connected with second of connecting block expands the piece, the cross-section that the second expands the piece is hollow cylindric, the outer end surface of the second expands the piece and the outer end surface adaptation of connecting block, the extrusion groove has been seted up to the inside of the second expands the piece, the inside packing of extrusion groove has the rubber block.
Through above-mentioned technical scheme, the inside packing that utilizes the extrusion groove has the block rubber to the inflation of the second bloated piece of being convenient for is supported tightly.
Preferably, the inside of extrusion groove and the equal sliding connection of the inside wall in hydraulic pressure groove have the piston ring, two the surface adaptation in the surface extrusion groove in hydraulic pressure groove is respectively on the surface of piston ring, two the equal fixedly connected with push rod in surface of piston ring, the spout has been seted up on the surface of connecting block, the inside wall of spout and the inside wall of spacing groove slide respectively and peg graft there are two push rods, the other end fixed connection of push rod is in the rear end surface of fixed block.
Through above-mentioned technical scheme, utilize the equal fixedly connected with push rod in surface of piston ring to be convenient for control the piston ring and support tightly.
Preferably, thread grooves are formed in the surface of the fixing block and the surface of the connecting block and are uniformly distributed on the surface of the fixing block and the surface of the connecting block, and the two thread grooves are connected with the same bolt through threads.
Through above-mentioned technical scheme, utilize the equal threaded connection in inside of thread groove to have the bolt to be convenient for support tightly gradually the piston ring.
Preferably, the outer side surface of the liquid inlet is slidably connected with the inner side surface of the second expansion block, and the inner side wall surface of the liquid inlet is slidably connected with the outer side surface of the first expansion block.
The utility model provides a beneficial effect does:
1. through setting up the external takeover of internal connection of first bloated piece from the inlet, utilize outside takeover to insert in the fixed block in proper order and in the first bloated piece, make the inside wall of inlet and the outside lateral wall of takeover be connected respectively to the outside surface and the inside surface of first bloated piece, when utilizing the bolt fastening fixed block, the push rod passes through piston ring extrusion hydraulic oil, make the surface expansion of first bloated piece, it is fixed to take over the inlet with the outside to support tightly, thereby make to have and be convenient for take over to twin-screw suction pump entry and seal fixedly connected with characteristics.
2. Through the inboard surface that sets up the bloated piece of second and the outside surface connection of inlet, when utilizing the bolt-up fixed block, the push rod passes through piston ring extrusion rubber piece for the surface expansion of the bloated piece of second, and then supports tightly the terminal surface of inlet, supports tightly mutually to first bloated piece simultaneously again, thereby makes fixed, the sealed characteristics of consolidating to first bloated piece when having fixed joint device of being convenient for and inlet.
Drawings
FIG. 1 is a schematic view of a 360 degree circular inlet structure in a twin screw suction pump according to the present invention;
fig. 2 is a side sectional view of a fixed block structure of a 360-degree circular inlet structure in the double-screw suction pump provided by the present invention;
fig. 3 is a side sectional view of a connecting block structure of a 360-degree circulation inlet structure in the double-screw suction pump.
In the figure: 1. a pump body; 2. a liquid inlet; 3. a liquid outlet; 4. a fixed block; 5. connecting blocks; 6. a first expansion block; 7. a limiting groove; 8. a hydraulic tank; 9. hydraulic oil; 10. a second expansion block; 11. extruding a groove; 12. a rubber block; 13. a piston ring; 14. a push rod; 15. a chute; 16. a thread groove; 17. and (4) bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a 360-degree circulation inlet structure in a double-screw suction pump comprises a pump body 1, wherein a liquid inlet 2 is formed in the surface of the pump body 1, a liquid outlet 3 is formed in the surface of the pump body 1, the interior of the liquid inlet 2 and the interior of the liquid outlet 3 are both communicated with the interior of the pump body 1, a joint device is arranged on the surface of the liquid inlet 2, the joint device is expanded on the inner surface and the outer surface of the liquid inlet 2, so that sealing and fixing effects are achieved, and the joint device comprises a fixing block 4 and a connecting block 5;
furthermore, the surface of the fixed block 4 and the surface of the connecting block 5 are both in a hollow ring shape, the outer side wall of the fixed block 4 is matched with the outer side wall of the connecting block 5, the inner side wall of the connecting block 5 is fixedly connected with a first expansion block 6, the surface of the first expansion block 6 is in a hollow cylindrical shape, and the outer surface of the first expansion block 6 is matched with the inner side wall of the connecting block 5;
furthermore, a limiting groove 7 is formed in the front end surface of the first expansion block 6, the limiting groove 7 is uniformly distributed in the front end surface of the first expansion block 6, a hydraulic groove 8 is formed in the first expansion block 6, the cross section of the hydraulic groove 8 is circular, the front end of the hydraulic groove 8 is communicated with the limiting groove 7, and hydraulic oil 9 is filled in the hydraulic groove 8;
further, the rear end edge of the connecting block 5 is fixedly connected with a second expansion block 10, the section of the second expansion block 10 is hollow and cylindrical, the outer end surface of the second expansion block 10 is matched with the outer end surface of the connecting block 5, a squeezing groove 11 is formed in the second expansion block 10, and a rubber block 12 is filled in the squeezing groove 11;
furthermore, piston rings 13 are connected to the inner portion of the extrusion groove 11 and the inner side wall of the hydraulic groove 8 in a sliding mode, the surfaces of the two piston rings 13 are respectively matched with the surface of the extrusion groove 11 on the surface of the hydraulic groove 8, push rods 14 are fixedly connected to the surfaces of the two piston rings 13, a sliding groove 15 is formed in the surface of the connecting block 5, the inner side wall of the sliding groove 15 and the inner side wall of the limiting groove 7 are respectively connected with the two push rods 14 in a sliding mode in a plugging mode, and the other end of each push rod 14 is fixedly connected to the;
further, the surface of the fixed block 4 and the surface of the connecting block 5 are both provided with thread grooves 16, the thread grooves 16 are uniformly distributed on the surface of the fixed block 4 and the surface of the connecting block 5, and the insides of the two thread grooves 16 are both in threaded connection with the same bolt 17;
further, the outer side surface of the liquid inlet 2 is slidably connected with the inner side surface of a second expansion block 10, and the inner side wall surface of the liquid inlet 2 is slidably connected with the outer side surface of a first expansion block 6.
Through setting up first bloated piece 6 from the internal connection outside takeover of inlet 2, utilize outside takeover to insert in fixed block 4 in proper order and in first bloated piece 6, make the outside surface and the inside surface of first bloated piece 6 connect the inside wall of inlet 2 and the outside lateral wall of takeover respectively, when utilizing bolt 17 fastening fixed block 4, push rod 14 passes through piston ring 13 extrusion hydraulic oil 9, make the surface expansion of first bloated piece 6, take over inlet 2 and outside and support tightly fixedly, thereby make to have and be convenient for take over to twin-screw suction pump entry and seal fixedly connected with characteristics.
Through the outside surface connection who sets up the inboard surface of the bloated piece 10 of second and inlet 2, when utilizing bolt 17 fastening fixed block 4, push rod 14 passes through piston ring 13 extrusion rubber block 12 for the surface expansion of the bloated piece 10 of second, and then supports tightly the terminal surface of inlet 2, supports tightly each other to first bloated piece 6 simultaneously again, thereby makes to have fixed joint device and inlet 2 of being convenient for when to first bloated piece 6 fixed, sealed to consolidate the characteristics.
The working principle is as follows:
the joint device is sleeved with the tail end of the liquid inlet 2, so that the outer side surface of the liquid inlet 2 is slidably connected with the inner side surface of a second expansion block 10, the inner side wall surface of the liquid inlet 2 is slidably connected with the outer side surface of a first expansion block 6, an external connecting pipe is sequentially inserted into a fixed block 4 and a connecting block 5, a bolt 17 is screwed, the head of the bolt 17 pushes the fixed block 4, a fixed rod pushes a push rod 14, the push rod 14 pushes a piston ring 13 to extrude hydraulic oil 9, the hydraulic oil 9 is extruded to expand the surface of the first expansion block 6, the inner side of the liquid inlet 2 and the outer side of the external connecting pipe are abutted tightly by the surface of the first expansion block 6 after expansion, simultaneously piston ring 13 extrudees rubber block 12, and rubber block 12 receives the extrusion to make the surface expansion of the bloated piece 10 of second, and the inboard surface of the bloated piece 10 of second supports the outside surface of inlet 2 tightly for it is fixed with inlet 2 to make the piecing devices.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (7)

1. A360-degree circulation inlet structure in a double-screw suction pump comprises a pump body (1), and is characterized in that: the surface of the pump body (1) is provided with inlet (2), the surface of the pump body (1) is provided with liquid outlet (3), the inside of the pump body (1) is all communicated with the inside of the liquid outlet (3) in the inside of inlet (2), the surface of inlet (2) is provided with joint device, joint device expands through the internal surface and the external surface at inlet (2) tightly to reach sealed and fixed effect, joint device includes fixed block (4) and connecting block (5).
2. A 360 ° circular flow inlet arrangement in a twin screw suction pump as defined in claim 1 wherein: the surface of fixed block (4) and the surface of connecting block (5) all are the hollow ring form, the lateral wall of fixed block (4) and the lateral wall adaptation of connecting block (5), the first bloated piece (6) of inside wall fixedly connected with of connecting block (5), the surface of first bloated piece (6) is hollow cylindric, the surface of first bloated piece (6) and the inside wall adaptation of connecting block (5).
3. A 360 ° circular flow inlet arrangement in a twin screw suction pump as defined in claim 2 wherein: spacing groove (7) have been seted up on the front end surface of first bloated piece (6), spacing groove (7) are at the front end surface evenly distributed of first bloated piece (6), hydraulic groove (8) have been seted up to the inside of first bloated piece (6), the cross-section in hydraulic groove (8) is the ring form, the front end intercommunication in hydraulic groove (8) has spacing groove (7), the inside packing in hydraulic groove (8) has hydraulic oil (9).
4. A 360 ° circular flow inlet arrangement in a twin screw suction pump as defined in claim 1 wherein: the rear end edge fixedly connected with second of connecting block (5) expands piece (10), the cross-section that the second expands piece (10) is hollow cylindric, the outer end surface of second expand piece (10) and the outer end surface adaptation of connecting block (5), extrusion groove (11) have been seted up to the inside of second expand piece (10), the inside packing of extrusion groove (11) has rubber block (12).
5. A360 ° circular flow inlet arrangement in a twin screw suction pump as defined in claim 4 wherein: the equal sliding connection in inside of extrusion groove (11) and the inside wall of hydraulic pressure groove (8) has piston ring (13), two the surface of piston ring (13) is respectively in the surface adaptation of the surface extrusion groove (11) of hydraulic pressure groove (8), two the equal fixedly connected with push rod (14) in surface of piston ring (13), spout (15) have been seted up on the surface of connecting block (5), the inside wall of spout (15) and the inside wall of spacing groove (7) slide respectively and peg graft and have two push rods (14), the other end fixed connection of push rod (14) is in the rear end surface of fixed block (4).
6. A 360 ° circular flow inlet arrangement in a twin screw suction pump as defined in claim 1 wherein: thread groove (16) have all been seted up on the surface of fixed block (4) and the surface of connecting block (5), thread groove (16) are at the equal evenly distributed in the surface of fixed block (4) and the surface of connecting block (5), two the equal threaded connection in inside of thread groove (16) has same bolt (17).
7. A 360 ° circular flow inlet arrangement in a twin screw suction pump as defined in claim 1 wherein: the outer side surface of the liquid inlet (2) is connected with the inner side surface of a second expansion block (10) in a sliding mode, and the inner side wall surface of the liquid inlet (2) is connected with the outer side surface of a first expansion block (6) in a sliding mode.
CN202021385334.2U 2020-07-15 2020-07-15 360-degree circulation inlet structure in double-screw suction pump Expired - Fee Related CN213419353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021385334.2U CN213419353U (en) 2020-07-15 2020-07-15 360-degree circulation inlet structure in double-screw suction pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021385334.2U CN213419353U (en) 2020-07-15 2020-07-15 360-degree circulation inlet structure in double-screw suction pump

Publications (1)

Publication Number Publication Date
CN213419353U true CN213419353U (en) 2021-06-11

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ID=76254965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021385334.2U Expired - Fee Related CN213419353U (en) 2020-07-15 2020-07-15 360-degree circulation inlet structure in double-screw suction pump

Country Status (1)

Country Link
CN (1) CN213419353U (en)

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Granted publication date: 20210611