CN209959459U - External-driving single-screw pump - Google Patents
External-driving single-screw pump Download PDFInfo
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- CN209959459U CN209959459U CN201920213731.2U CN201920213731U CN209959459U CN 209959459 U CN209959459 U CN 209959459U CN 201920213731 U CN201920213731 U CN 201920213731U CN 209959459 U CN209959459 U CN 209959459U
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Abstract
An external drive type single screw pump. The product comprises the following components: the single-screw section comprises a screw thread peak and a screw thread valley, the single-screw section is provided with a screw thread peak end and a screw thread valley end, the screw thread peak end is provided with an inserting hole, the inserting hole is connected with 3 arc-shaped cross-section grooves with included angles of 120 degrees, the arc-shaped cross-section grooves are arranged on the wall of the inserting hole, the arc-shaped cross-section grooves are bonded with arc-shaped cross-section magnetic plates, the inserting hole is connected with 3 fixing holes with included angles of 120 degrees, the fixing holes and the arc-shaped cross-section grooves are arranged at intervals, the screw thread valley end is provided with an inserting rod, the inserting rod is provided with 3 arc-shaped cross-section opposite grooves with included angles, the magnetic plates with arc-shaped cross sections are bonded to the grooves, the splicing rods are provided with 3 butt-joint fixing holes with 120-degree included angles around the circumference, the butt joint fixing hole is connected with a spring, the spring is connected with a fixed insertion rod, the insertion rod is inserted into the insertion hole and is fixedly connected with the magnetic plate through the attraction of the magnetic plate and the insertion of the fixed insertion rod into the fixing hole. The utility model is used for external drive formula single screw pump.
Description
Technical Field
The utility model relates to an external drive formula single screw pump.
Background
The single screw of the single screw pump is easy to wear, the single screw is not uniformly worn, the worn position is not worn, when the single screw is worn, the whole single screw pump cannot be used, the single screw is inconvenient to replace, and the use effect is not ideal.
Disclosure of Invention
The utility model aims at providing an it is convenient when replacing partial single screw rod, a kind of external drive formula single screw pump with good use effect.
The above purpose is realized by the following technical scheme:
an external-drive single-screw pump comprises a single-screw section, wherein the single-screw section comprises a thread peak and a thread valley, the single-screw section is provided with a thread peak end and a thread valley end, the thread peak end is provided with an inserting hole, the inserting hole is connected with 3 arc-shaped cross-section grooves with included angles of 120 degrees, the arc-shaped cross-section grooves are formed in the wall of the inserting hole, arc-shaped cross-section magnetic plates are adhered to the arc-shaped cross-section grooves, the inserting hole is connected with 3 fixing holes with included angles of 120 degrees, the fixing holes and the arc-shaped cross-section grooves are arranged at intervals, the thread valley end is provided with an inserting rod, the inserting rod is provided with 3 arc-shaped cross-section opposite grooves with included angles of 120 degrees around the circumference, the opposite grooves are adhered with the arc-shaped cross-section opposite magnetic plates, the inserting rod is provided with 3 abutting fixing holes with included angles of 120 degrees around the circumference, the butt joint fixing hole is connected with a spring, the spring is connected with a fixed insertion rod, the insertion rod is inserted into the insertion hole, the magnetic plate attracts the magnetic plate, and the fixed insertion rod is inserted into the fixing hole to be connected and fixed.
The external-drive single-screw pump is characterized in that the arc-shaped cross-section groove is coincided and butted with the butt groove, the fixing hole is coincided and butted with the butt fixing hole, the thread peak end positioned at the front end part is not provided with the inserting hole, the thread valley end positioned at the rear end part is connected with the head end of a universal joint, the head end of the universal joint is connected with a transitional connecting shaft, the transitional connecting shaft is connected with the tail end of the universal joint, the tail end of the universal joint is connected with a transmission shaft, the transmission shaft is connected with a coupler, and the coupler is connected with a motor.
The external-drive single-screw pump is characterized in that single-screw sections are connected to form a single screw, the single screw is arranged in a stator, the stator is connected with a tension rod, one end of the stator and one end of the tension rod are both connected with a discharge shell, the other end of the stator and the other end of the tension rod are both connected with a feeding shell, the feeding shell is provided with a feeding hole, the feeding shell is connected with a packing shell, a packing seat is arranged at the joint of the feeding shell and the packing shell, a transmission shaft is arranged in the packing seat, a bearing is arranged between the packing shell and the transmission shaft, a packing gland is arranged at the outer side of the bearing, the packing gland is arranged between the packing shell and the transmission shaft, the packing shell is connected with a bearing cover, and the discharge shell and the packing shell are both connected with a base, the base is connected with the motor base, and the motor base is connected with the motor.
Advantageous effects
1. The utility model discloses a insert the fixed orifices through the magnetic sheet actuation to magnetic sheet, fixed inserted bar between the single-screw section and connect fixedly, ensure that the speed of equipment is fast between the single-screw section, connect very firmly fixed, ensure single screw rod safety in utilization.
2. The utility model discloses can both replace when wearing and tearing appear in the single-screw rod section, reduction single-screw pump's that can be great use cost, it is equally convenient when needs are replaced, the replacement is fast, uses not only conveniently but also in a flexible way.
3. The utility model discloses a connection between the single-screw section is at first inserted the spliced eye through the inserted bar and is carried out a reconnection fixedly, through arc cross-section recess and to the recess butt joint, the magnetic sheet actuation carries out dual connection to the magnetic sheet fixed, the fixed orifices with dock fixed orifices coincidence butt joint, fixed inserted bar pops out to insert the fixed orifices and carry out triple connection fixedly, ensure to add the arc cross-section recess man-hour, to the recess butt joint, the fixed orifices, the position of butt joint fixed orifices is all accurate, it is very firm after the connection, it is very safe to use, and is effectual.
4. The utility model discloses a through the motor control single screw pump that is located the outside, make the convenient maintenance of single screw pump, it is also convenient during control.
Drawings
FIG. 1 is a schematic structural diagram of a single screw of the product.
Fig. 2 is a cross-sectional view of fig. 1.
Fig. 3 is a schematic diagram of the overall structure of the product.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Example 1
An external drive type single screw pump comprises a single screw rod section 1, wherein the single screw rod section comprises a thread peak 2 and a thread valley 3, the single screw rod section is provided with a thread peak end 4 and a thread valley end 5, the thread peak end is provided with an inserting hole 6, the inserting hole is connected with 3 arc-shaped cross-section grooves 7 with included angles of 120 degrees, the arc-shaped cross-section grooves are formed in the wall of the inserting hole, the arc-shaped cross-section grooves are adhered with arc-shaped cross-section magnetic plates 8, the inserting hole is connected with 3 fixing holes 9 with included angles of 120 degrees, the fixing holes and the arc-shaped cross-section grooves are arranged at intervals, the thread valley end is provided with an inserting rod 10, the inserting rod is provided with 3 arc-shaped cross-section opposite grooves 11 with included angles of 120 degrees around the circumference, the opposite grooves are adhered with arc-shaped cross-section opposite magnetic plates 12, the inserting rod is provided with 3 opposite fixing holes 13 with included angles of 120 degrees around the circumference, the butt joint fixing hole is connected with a spring 14, the spring is connected with a fixed inserting rod 15, the inserting rod is inserted into the inserting hole, the magnetic plate attracts the magnetic plate, and the fixed inserting rod is inserted into the fixing hole to be connected and fixed.
The arc-shaped cross section groove and the butt groove are overlapped and butted, the fixing hole and the butt fixing hole are overlapped and butted, the thread peak end positioned at the front end part is not provided with the inserting hole, the thread valley end positioned at the rear end part is connected with the head end 16 of the universal joint, the head end of the universal joint is connected with a transition connecting shaft 32, the transition connecting shaft is connected with the tail end 17 of the universal joint, the tail end of the universal joint is connected with a transmission shaft 18, the transmission shaft is connected with a coupler 19, and the coupler is connected with a motor 20.
The single screw sections are connected to form a single screw, the single screw is arranged in a stator 21, the stator is connected with a tension rod 22, one end of the stator and one end of the tension rod are both connected with a discharging shell 23, the other end of the stator and the other end of the tension rod are both connected with a feeding shell 24, the feeding shell is provided with a feeding hole 25, the feeding shell is connected with a packing shell 26, a packing seat 27 is arranged at the joint of the feeding shell and the packing shell, the transmission shaft is arranged in the packing seat, a bearing 28 is arranged between the packing shell and the transmission shaft, a packing gland 29 is arranged at the outer side of the bearing, the packing gland is arranged between the packing shell and the transmission shaft, the packing shell is connected with a bearing cap 30, and the discharging shell and the packing shell are both connected with a base 31, the base is connected with the motor base, and the motor base is connected with the motor.
The working principle is as follows:
firstly, the number of the single screw sections is selected according to the requirement, then the single screw sections are assembled and fixed, and the assembled single screw is arranged in the stator and connected with the universal joint.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.
Claims (3)
1. An external-drive single-screw pump comprises a single-screw section and is characterized in that the single-screw section comprises a thread peak and a thread valley, the single-screw section is provided with a thread peak end and a thread valley end, the thread peak end is provided with an inserting hole, the inserting hole is connected with 3 arc-shaped cross-section grooves with included angles of 120 degrees, the arc-shaped cross-section grooves are formed in the wall of the inserting hole, arc-shaped cross-section magnetic plates are adhered to the arc-shaped cross-section grooves, the inserting hole is connected with 3 fixing holes with included angles of 120 degrees, the fixing holes and the arc-shaped cross-section grooves are arranged at intervals, the thread valley end is provided with an inserting rod, the inserting rod is provided with 3 arc-shaped cross-section opposite grooves with included angles of 120 degrees around the circumference, the arc-shaped cross-section opposite magnetic plates are adhered to the opposite grooves, the inserting rod is provided with 3 abutting fixing holes with included angles of 120 degrees around the circumference, the butt joint fixing hole is connected with a spring, the spring is connected with a fixed insertion rod, the insertion rod is inserted into the insertion hole, the magnetic plate attracts the magnetic plate, and the fixed insertion rod is inserted into the fixing hole to be connected and fixed.
2. The externally-driven single-screw pump according to claim 1, wherein the groove with the arc-shaped cross section is coincidently butted with the butt groove, the fixing hole is coincidently butted with the butt fixing hole, the thread crest end at the front end part is not provided with the inserting hole, the thread trough end at the rear end part is connected with the head end of the universal joint, the head end of the universal joint is connected with a transitional connecting shaft, the transitional connecting shaft is connected with the tail end of the universal joint, the tail end of the universal joint is connected with a transmission shaft, the transmission shaft is connected with a coupler, and the coupler is connected with a motor.
3. The externally-driven single-screw pump according to claim 2, wherein the single-screw sections are connected to form a single screw, the single screw is arranged in a stator, the stator is connected with a tension rod, the stator and one end of the tension rod are both connected with a discharge casing, the stator and the other end of the tension rod are both connected with a feed casing, the feed casing is provided with a feed inlet, the feed casing is connected with a packing casing, a packing seat is arranged at the joint of the feed casing and the packing casing, the transmission shaft is arranged in the packing seat, a bearing is arranged between the packing casing and the transmission shaft, a packing gland is arranged outside the bearing, the packing gland is arranged between the packing casing and the transmission shaft, and the packing casing is connected with a bearing cap, the discharging shell and the filling shell are both connected with a base, the base is connected with the motor base, and the motor base is connected with the motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213731.2U CN209959459U (en) | 2019-02-18 | 2019-02-18 | External-driving single-screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920213731.2U CN209959459U (en) | 2019-02-18 | 2019-02-18 | External-driving single-screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209959459U true CN209959459U (en) | 2020-01-17 |
Family
ID=69238028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920213731.2U Active CN209959459U (en) | 2019-02-18 | 2019-02-18 | External-driving single-screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209959459U (en) |
-
2019
- 2019-02-18 CN CN201920213731.2U patent/CN209959459U/en active Active
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