CN209994231U - Small-size electric putter - Google Patents
Small-size electric putter Download PDFInfo
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- CN209994231U CN209994231U CN201921292821.1U CN201921292821U CN209994231U CN 209994231 U CN209994231 U CN 209994231U CN 201921292821 U CN201921292821 U CN 201921292821U CN 209994231 U CN209994231 U CN 209994231U
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Abstract
The utility model discloses a small electric push rod, which comprises a shell, a motor shell arranged at one end of the shell, a lead screw arranged in the shell and a motor arranged in the motor shell, wherein a screw sleeve is sleeved on the lead screw, a transmission shaft is arranged on the screw sleeve, a connecting block is arranged at the bottom of the screw sleeve, the diameter of the connecting block is larger than that of the screw sleeve, a limiting groove is arranged on the side wall of the connecting block, a limiting rod matched with the limiting groove is arranged on the inner wall of the shell, cushion pads are respectively arranged at the top and the bottom of the lead screw, and the cushion pads are sleeved on the lead screw; the mode that changes micro-gap switch in the casing into the blotter is controlled the rotation of lead screw, avoids the oil smoke to micro-gap switch's influence, reduces electric putter cost, makes electric putter change the installation, guarantees information transfer's reliability.
Description
Technical Field
The utility model belongs to the technical field of domestic appliance, especially, relate to a small-size electric putter.
Background
The kitchen ventilator is also called as a range hood, and is a kitchen appliance for purifying the kitchen environment. The kitchen ventilator is arranged above a kitchen stove, can rapidly pump away waste burnt by the stove and oil fume harmful to human bodies generated in the cooking process, and exhaust the waste and the oil fume to the outside, reduces pollution, purifies air, and has the safety guarantee effects of gas defense and explosion prevention.
Be equipped with the normal work of a plurality of driver parts in order to guarantee the lampblack absorber on the lampblack absorber, including electric putter, electric putter is reciprocating linear motion's driving piece, so electric putter all has the motion stroke of oneself, current electric putter is after motion to stroke limit, the form through micro-gap switch makes the motor stop work, play the effect to push rod stroke control, because the lampblack absorber is in the continuous environment of oil smoke, micro-gap switch receives the oil smoke easily and influences, micro-gap switch sensitivity is reduced, easily cause the damage of lampblack absorber.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome prior art not enough, provide a small-size electric putter.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a small electric push rod comprises a shell, a motor shell arranged at one end of the shell, a lead screw arranged in the shell and a motor arranged in the motor shell, wherein a screw sleeve is sleeved on the lead screw, a transmission shaft is arranged on the screw sleeve, a connecting block is arranged at the bottom of the screw sleeve, the diameter of the connecting block is larger than that of the screw sleeve, a limiting groove is arranged on the side wall of the connecting block, a limiting rod matched with the limiting groove is arranged on the inner wall of the shell, buffering cushions are respectively arranged at the top and the bottom of the lead screw, and the buffering cushions are sleeved on the lead screw; under the mutual matching of the limiting groove and the limiting rod, the screw sleeve is limited, so that the screw sleeve cannot rotate along with the rotation of the screw rod, and the screw sleeve moves along the screw rod under the action of the screw rod, so that the transmission shaft is pushed to reciprocate; the screw sleeve is buffered under the action of the buffer cushion, so that the screw sleeve is prevented from directly colliding with the two ends of the shell, and the screw sleeve is protected; when the screw sleeve is contacted with the buffer cushion, the buffer cushion is slightly deformed to block the movement of the screw sleeve, the screw rod is blocked to rotate when the screw sleeve cannot continue to move, the output shaft of the motor cannot rotate to enable the temperature of the motor to rise, the motor stops working after the electric control board detects the temperature rise of the motor, and the motor is prevented from being damaged due to continuous heat generation, so that the stroke of the transmission shaft is controlled, and the collision between the screw sleeve and the shell is avoided; the mode that changes micro-gap switch in the casing into the blotter is controlled the rotation of lead screw, avoids the oil smoke to micro-gap switch's influence, reduces electric putter cost, makes electric putter change the installation, guarantees information transfer's reliability.
A positioning bearing is arranged in the shell, the screw rod penetrates through the positioning bearing, a positioning sleeve matched with the positioning bearing is arranged in the shell, and the top of the positioning sleeve is contacted with the bottom end of the limiting rod; the screw rod is positioned under the action of the positioning bearing, and is fixed in the middle of the shell, so that the limiting groove on the screw sleeve and the limiting rod are matched with each other, and the stability of the movement of the screw sleeve is ensured; the positioning bearing is fixed at one end of the shell by the positioning sleeve, so that the longitudinal movement of the positioning bearing is avoided, and the fixing effect of the positioning bearing on the screw rod is improved; under the effect of gag lever post, with the position sleeve on the location bearing, promote the fixed effect of position sleeve to the location bearing, need not to set up other mountings, can fix the location bearing under the casing effect, reduce the interior structure of electric putter, reduce electric putter cost.
A shell seat is arranged at one end of the shell, a convex ring is arranged on the shell seat and penetrates through the shell, a buffer cushion at the top of the screw rod is arranged at the bottom of the convex ring, a cover plate is arranged on the shell seat and provided with a first connecting hole, a second connecting hole is arranged on the shell seat, and a connecting cavity is arranged on the shell; the shell seat provides supporting force for a cushion pad at the top of the screw rod, so that the screw sleeve cannot move continuously after the cushion pad is contacted, and the screw sleeve is braked; the cover plate seals the shell, oil stains are prevented from directly entering the shell, the screw rod and the screw sleeve are protected, and the service life of the electric push rod is prolonged.
A connecting rod is arranged on the motor shell, an installation support is arranged on the connecting rod, a third threaded hole is formed in the connecting rod, a fourth threaded hole matched with the third threaded hole is formed in the installation support, a fixing bolt penetrates through the third threaded hole, and the installation support is made of plastic; the mounting bracket is fixed on the connecting rod under the fixing bolt so as to mount the electric push rod; adopt plastics to make the installing support, with the disconnection of metal and metal, play insulating effect, avoid making the lampblack absorber take place electric leakage phenomenon when thunderstorm weather, promote the security that the lampblack absorber used.
The transmission shaft is provided with a connector, a through cavity is formed in the connector, a shaft sleeve is arranged in the through cavity, a limiting plate is arranged at one end of the shaft sleeve, a convex block is arranged on the side wall of the shaft sleeve, a groove matched with the convex block is formed in the inner wall of the through cavity, and the shaft sleeve is made of plastics; the transmission shaft is conveniently connected into the range hood under the action of the shaft sleeve, the shaft sleeve is limited under the action of the limiting plate and the bump, the shaft sleeve is fixed in the through cavity, and the matching effect of the shaft sleeve and the through cavity is improved so as to fix the transmission shaft; through the plastics material of axle sleeve, with the contact disconnection between metalwork and the metalwork, play the insulation protection effect, mutually support with automatically controlled board, promote the reliability that the lampblack absorber used.
A worm is arranged on an output shaft of the motor, and a turbine matched with the worm is arranged on the screw rod; under the transmission matching of the worm wheel and the worm, the stability of the motor transmission is improved, so that the kinetic energy of the motor is stably transmitted to the screw rod, and the rotation of the screw rod is realized; under the mutual matching of the worm wheel and the worm, the transmission direction is adjusted, the length of the electric push rod is reduced, and the electric push rod is easier to install; the self-locking performance of the worm gear and the worm is matched with the self-locking performance of the screw rod and the screw sleeve, so that the working stability of the electric push rod is improved.
A wire buckle is arranged on the motor shell, and a power line of the motor penetrates through the wire buckle; the motor power line is fixed under the action of the line buckle, the connection effect of the power line and the motor is improved, and the power line is prevented from being disconnected from the motor in the dragging process.
The utility model has the advantages of it is following: the mode that changes micro-gap switch in the casing into the blotter is controlled the rotation of lead screw, avoids the oil smoke to micro-gap switch's influence, reduces electric putter cost, makes electric putter change the installation, guarantees information transfer's reliability.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an enlarged view of a portion a in fig. 1.
Fig. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is an enlarged view of fig. 3 at B.
Fig. 5 is a schematic cross-sectional view of the present invention.
Fig. 6 is an enlarged view of fig. 5 at C.
Detailed Description
As shown in fig. 1-6, a small electric push rod comprises a housing 1, a motor casing 2 disposed at one end of the housing 1, a screw rod 13 disposed in the housing 1, and a motor disposed in the motor casing 2, wherein a screw sleeve 14 is sleeved on the screw rod 13, a transmission shaft 15 is disposed on the screw sleeve 14, a connecting block is disposed at the bottom of the screw sleeve 14, the diameter of the connecting block is larger than that of the screw sleeve 14, a limit groove is disposed on a side wall of the connecting block, a limit rod matched with the limit groove is disposed on an inner wall of the housing 1, cushions 120 are disposed at the top and the bottom of the screw rod 13, and the cushions 120 are sleeved on the screw rod 13; under the mutual matching of the limiting groove and the limiting rod, the screw sleeve is limited, so that the screw sleeve cannot rotate along with the rotation of the screw rod, and the screw sleeve moves along the screw rod under the action of the screw rod, so that the transmission shaft is pushed to reciprocate; the screw sleeve is buffered under the action of the buffer cushion, so that the screw sleeve is prevented from directly colliding with the two ends of the shell, and the screw sleeve is protected; when the screw sleeve is contacted with the buffer cushion, the buffer cushion is slightly deformed to block the movement of the screw sleeve, the screw rod is blocked to rotate when the screw sleeve cannot continue to move, the output shaft of the motor cannot rotate to enable the temperature of the motor to rise, the motor stops working after the electric control board detects the temperature rise of the motor, and the motor is prevented from being damaged due to continuous heat generation, so that the stroke of the transmission shaft is controlled, and the collision between the screw sleeve and the shell is avoided; the mode that changes micro-gap switch in the casing into the blotter is controlled the rotation of lead screw, avoids the oil smoke to micro-gap switch's influence, reduces electric putter cost, makes electric putter change the installation, guarantees information transfer's reliability.
A positioning bearing 110 is arranged in the shell 1, the screw 13 is arranged in the positioning bearing 110 in a penetrating manner, a positioning sleeve 130 matched with the positioning bearing 110 is arranged in the shell 1, and the top of the positioning sleeve 130 is contacted with the bottom end of the limiting rod; the screw rod is positioned under the action of the positioning bearing, and is fixed in the middle of the shell, so that the limiting groove on the screw sleeve and the limiting rod are matched with each other, and the stability of the movement of the screw sleeve is ensured; the positioning bearing is fixed at one end of the shell by the positioning sleeve, so that the longitudinal movement of the positioning bearing is avoided, and the fixing effect of the positioning bearing on the screw rod is improved; under the effect of gag lever post, with the position sleeve on the location bearing, promote the fixed effect of position sleeve to the location bearing, need not to set up other mountings, can fix the location bearing under the casing effect, reduce the interior structure of electric putter, reduce electric putter cost.
A shell seat 11 is arranged at one end of the shell 1, a convex ring is arranged on the shell seat 11 and penetrates through the shell 1, a cushion pad 120 at the top of the lead screw 13 is arranged at the bottom of the convex ring, a cover plate is arranged on the shell 1, a first connecting hole is arranged on the cover plate 12, a second connecting hole is arranged on the shell 1, a connecting cavity is arranged on the shell 1, a screw penetrates through the first connecting hole, and the cover plate, the shell seat and the shell are fixed together under the action of the screw; the shell seat provides supporting force for a cushion pad at the top of the screw rod, so that the screw sleeve cannot move continuously after the cushion pad is contacted, and the screw sleeve is braked; the cover plate seals the shell, oil stains are prevented from directly entering the shell, the screw rod and the screw sleeve are protected, and the service life of the electric push rod is prolonged.
A connecting rod 17 is arranged on the motor casing 2, an installation support 18 is arranged on the connecting rod 17, a third threaded hole is formed in the connecting rod 17, a fourth threaded hole matched with the third threaded hole is formed in the installation support 18, a fixing bolt 19 penetrates through the third threaded hole, and the installation support 18 is made of plastic; the mounting bracket is fixed on the connecting rod under the fixing bolt so as to mount the electric push rod; adopt plastics to make the installing support, with the disconnection of metal and metal, play insulating effect, avoid making the lampblack absorber take place electric leakage phenomenon when thunderstorm weather, promote the security that the lampblack absorber used.
The transmission shaft 15 is provided with a connector 151, the connector 151 is provided with a through cavity, a shaft sleeve 16 is arranged in the through cavity, one end of the shaft sleeve 16 is provided with a limiting plate, the side wall of the shaft sleeve 16 is provided with a convex block, the inner wall of the through cavity is provided with a groove matched with the convex block, and the shaft sleeve 16 is made of plastics; the transmission shaft is conveniently connected into the range hood under the action of the shaft sleeve, the shaft sleeve is limited under the action of the limiting plate and the bump, the shaft sleeve is fixed in the through cavity, and the matching effect of the shaft sleeve and the through cavity is improved so as to fix the transmission shaft; through the plastics material of axle sleeve, with the contact disconnection between metalwork and the metalwork, play the insulation protection effect, mutually support with automatically controlled board, promote the reliability that the lampblack absorber used.
A worm is arranged on the output shaft of the motor, and a turbine matched with the worm is arranged on the screw rod 13; under the transmission matching of the worm wheel and the worm, the stability of the motor transmission is improved, so that the kinetic energy of the motor is stably transmitted to the screw rod, and the rotation of the screw rod is realized; under the mutual matching of the worm wheel and the worm, the transmission direction is adjusted, the length of the electric push rod is reduced, and the electric push rod is easier to install; the self-locking performance of the worm gear and the worm is matched with the self-locking performance of the screw rod and the screw sleeve, so that the working stability of the electric push rod is improved.
A wire buckle 21 is arranged on the motor shell 1, and a power line of the motor is arranged in the wire buckle 21 in a penetrating manner; the motor power line is fixed under the action of the line buckle, the connection effect of the power line and the motor is improved, and the power line is prevented from being disconnected from the motor in the dragging process.
Claims (7)
1. The utility model provides a small-size electric putter, includes casing (1), locates motor casing (2), the locating of casing (1) one end lead screw (13) in casing (1) and locating motor in motor casing (2), the cover is equipped with swivel nut (14) on lead screw (13), be equipped with transmission shaft (15), its characterized in that on swivel nut (14): the screw sleeve (14) bottom is equipped with the connecting block, the connecting block diameter is greater than screw sleeve (14) diameter, be equipped with the spacing groove on the connecting block lateral wall, be equipped with on casing (1) inner wall with spacing groove matched with gag lever post, lead screw (13) top and bottom are equipped with blotter (120) respectively, blotter (120) cover is located on lead screw (13).
2. A compact power putter as defined in claim 1, wherein: be equipped with location bearing (110) in casing (1), lead screw (13) wear to locate in location bearing (110), be equipped with in casing (1) with location bearing (110) matched with position sleeve (130), position sleeve (130) top with the gag lever post bottom contact.
3. A compact power putter as defined in claim 1, wherein: casing (1) one end is equipped with casing seat (11), be equipped with the bulge loop on casing seat (11), the bulge loop is worn to locate in casing (1), blotter (120) at lead screw (13) top are located the bulge loop bottom, be equipped with the apron on casing (1) seat, be equipped with first connecting hole on apron (12), be equipped with the second connecting hole on casing (1) seat, be equipped with the connection chamber on casing (1).
4. A compact power putter as defined in claim 1, wherein: be equipped with connecting rod (17) on motor casing (2), be equipped with installing support (18) on connecting rod (17), be equipped with the third screw hole on connecting rod (17), be equipped with on installing support (18) with third screw hole matched with fourth screw hole, wear to be equipped with fixing bolt (19) in the third screw hole, installing support (18) are made for plastics.
5. A compact power putter as defined in claim 1, wherein: be equipped with connector (151) on transmission shaft (15), be equipped with logical chamber on connector (151), lead to the intracavity and be equipped with axle sleeve (16), one end is equipped with the limiting plate on axle sleeve (16), be equipped with the lug on axle sleeve (16) lateral wall, lead to be equipped with on the intracavity wall with lug matched with recess, axle sleeve (16) are made for plastics.
6. A compact power putter as defined in claim 1, wherein: a worm is arranged on the output shaft of the motor, and a turbine matched with the worm is arranged on the screw rod (13).
7. A compact power putter as defined in claim 1, wherein: be equipped with the line on motor casing (2) and detain (21), the power cord of motor wears to locate in line detains (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292821.1U CN209994231U (en) | 2019-08-09 | 2019-08-09 | Small-size electric putter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292821.1U CN209994231U (en) | 2019-08-09 | 2019-08-09 | Small-size electric putter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209994231U true CN209994231U (en) | 2020-01-24 |
Family
ID=69297876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921292821.1U Active CN209994231U (en) | 2019-08-09 | 2019-08-09 | Small-size electric putter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209994231U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823762A (en) * | 2020-07-29 | 2020-10-27 | 安徽忠盛新型装饰材料有限公司 | Embossment device and method for high-strength impact-resistant composite door |
-
2019
- 2019-08-09 CN CN201921292821.1U patent/CN209994231U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111823762A (en) * | 2020-07-29 | 2020-10-27 | 安徽忠盛新型装饰材料有限公司 | Embossment device and method for high-strength impact-resistant composite door |
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