CN209213164U - A kind of driving device for lock valve - Google Patents

Abstract

The utility model discloses a kind of driving devices for lock valve, including shell, it is fixed in the intracorporal actuator assembly of shell, the actuator assembly includes being fixed in the intracorporal mounting plate of shell, the motor being fixed on mounting plate, the input shaft being connect with motor output end, top is fixed in the gear set of input shaft, and the output precision of connection is engaged with gear set, wherein the gear set includes gear A, double-layer gear B, and both ends are engaged in gear A and the double-layer gear C group of double-layer gear B respectively, and installation is parallel to the fixing axle of input shaft on mounting plate, the gear A and double-layer gear B are fixed on input shaft, the double-layer gear C group is according to input shaft and fixes shaft staggered be sleeved and fixed.The utility model has the advantage that in the case where exporting the increased situation of demand bring gear with the large torque of big valve body, haves no need to change actuator structure, can be realized by simply configuring gear the piece number.

Description

A kind of driving device for lock valve

Technical field

The utility model relates to lock valve field more particularly to a kind of driving devices for lock valve.

Background technique

Automatically controlled lock valve is the flow controller for solving central heating terminal network water conservancy balance adjustment, is usually installed End side of registering one's residence in heating pipeline network can control the delivery amount in controlled region, by the degree of its opening and closing to reach Adjust the purpose of water conservancy balance and heat guarantee.

Automatically controlled lock valve includes two parts: first is that the body portion for controlling pipeline flow, second is that for driving valve The actuator part of body.

In existing product form, using than older closed-end gear box structure, in order to increase intensity, gear Metal gear group is generally used inside case, due to exporting demand with the large torque of big valve body, it will cause number of gears to increase, Since there are complicated integral structures for metal gear group, part category and quantity are more, at high cost, the big problem of installation volume, it is difficult to Change the structure of actuator, to realize the purpose for increasing gear.

Utility model content

In order to solve the above-mentioned group of metal gear in the prior art, there are complicated integral structures, and part category and quantity are more, at This height, the big problem of installation volume, the utility model provides a kind of driving device for lock valve, with big valve body Large torque exports in the increased situation of demand bring gear, haves no need to change actuator structure, can be by simply configuring Gear the piece number is realized.

The utility model is achieved through the following technical solutions above-mentioned purpose: a kind of driving device for lock valve, including Shell, is fixed in the intracorporal actuator assembly of shell, and the actuator assembly includes being fixed in the intracorporal mounting plate of shell, being fixed in peace Motor in loading board, the input shaft connecting with motor output end, top are fixed in the gear set of input shaft and engage with gear set The output precision of connection, wherein the gear set includes that gear A, double-layer gear B and both ends are engaged in gear A and bilayer respectively The double-layer gear C group of gear B, and installation is parallel to the fixing axle of input shaft, the gear A and double-layer gear B on mounting plate It is fixed on input shaft, the double-layer gear C group is according to input shaft and fixes shaft staggered be sleeved and fixed.

Through the above technical solutions, starting motor, motor transmit power to gear A, gear A delivers power to double-layered tooth C group is taken turns, double-layer gear C group delivers power to double-layer gear B, and double-layer gear B drives output under the engagement of oriental toothed gear Axis rotation, since how much the number of gears of double-layer gear C group matches with the revolving speed of motor, by double-layer gear C group use solid Formula cramped construction layout, no matter the quantity of built-up gear is how many, the fixation position according to gear A and double-layer gear B, will be double Layer gear C group successive arrangement, therefore, in the case where not changing actuator structure, so that it may increase double-layer gear C group internal gear Number.

Further, the double-layer gear C group includes the double-layer gear one engaged with double-layer gear B, with double-layer gear one The double-layer gear two of engagement, the double-layer gear three engaged with double-layer gear two, the double-layer gear four engaged with double-layer gear three, and The double-layer gear five engaged respectively with gear A and double-layer gear four.

Through the above technical solutions, gear A is fixed on input shaft, double-layer gear B, double-layer gear two, double-layer gear four Input shaft is socketed on by bearing；Double-layer gear one, double-layer gear three, double-layer gear five are socketed in fixing axle by bearing； Start motor, motor band driven input shaft rotates, and input shaft drives gear A rotation, and gear A drives double-layer gear five to rotate, double-deck Gear five drives double-layer gear four to rotate, and double-layer gear four drives double-layer gear three to rotate, and double-layer gear three drives double-layer gear Two rotations, double-layer gear two drive double-layer gear one to rotate, and double-layer gear one drives double-layer gear B rotation, so drive with it is double The oriental toothed gear rotation of layer gear B engagement.

Preferably, the output precision includes output shaft, is socketed on output shaft and engages the orientation tooth of connection with gear set Wheel, and it is separately connected the poppet shaft of output shaft and valve body.

Through the above technical solutions, oriental toothed gear is fixed on output shaft, when gear set rotation, oriental toothed gear is driven to turn Dynamic, in order to which output shaft delivers power to poppet shaft, poppet shaft delivers power to spherical valve core, to realize spherical valve core side To change.

Further, the gear A, double-layer gear B and double-layer gear C group are the gears of same specification.

Through the above technical solutions, gear A, double-layer gear B and double-layer gear C group are all made of the gear of same specification, According to gear combination quantity number match with the revolving speed of motor, the design for standardizing reduction ratio is realized, to support different rule The torque of lattice valve body.

Further, the oriental toothed gear is half gear for making output shaft rotate 90 °.

Through the above technical solutions, can satisfy the need of work of 90 ° of output shaft rotations under the premise of saving space the most.

Further, the oriental toothed gear and gear set are made of using acetal resin.

Through the above technical solutions, acetal resin is thermoplastic crystalline polymer, it is known as " supersteel " or " match steel ", Also known as polyoxymethylene.The strength of materials, rigidity are high, and elasticity is good, and anti-attrition wearability is good.Its excellent in mechanical performance, specific strength can Up to 50.5MPa, specific stiffness is very close with metal up to 2650MPa, and mechanical property varies with temperature small, and impact strength is higher, Fatigue strength is very prominent, and after 10 alternate load effects, fatigue strength is up to 35MPa, and PA and PC are only 28MPa, creep properties Similar to PA, in 20 DEG C, 21MPa, 3000h only 2.3%, friction factor is small, wearability it is good (this material > PA66 > PA6 > ABS > HPVC > PS > PC), limit PV value is very big, and self-lubrication is good.

The utility model compared with prior art, has the advantages that

1, open gear set is constituted, and different output can be flexibly configured as with the gear sheet of same specification and is turned round Square meets the needs that same actuator controls more specification valve bodies, greatly optimize different size it is individually designed, manufacture, security vault The high cost payout deposited；

2, the structure for sharing input shaft and fixing axle, is efficiently utilized space, saves material, effectively reduce manufacture Cost and reduce product size；

3, acetal resin material is selected, while mass production cost is effectively reduced, material property (anti-corrosion, It is wear-resisting, stablize) ensure that the durability of product well.

Detailed description of the invention

Fig. 1 is the structural schematic diagram that shell is embodied in the utility model；

Fig. 2 is the structural schematic diagram of the utility model；

Fig. 3 is the structural schematic diagram for embodying oriental toothed gear in the utility model and engaging with gear set；

Fig. 4 is the structural schematic diagram that gear set is embodied in the utility model.

In figure, 1, shell；2, mounting plate；3, motor；4, output shaft；5, oriental toothed gear；6, gear set；61, gear A；62, Double-layer gear B；63, double-layer gear C group；631, double-layer gear one；632, double-layer gear two；633, double-layer gear three；634, double Layer gear four；635, double-layer gear five；7, poppet shaft；8, spherical valve core；81, through-hole.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawings and embodiments.

A kind of driving device for lock valve, as depicted in figs. 1 and 2, including shell 1, and be installed on inside shell 1 Actuator assembly, wherein actuator assembly includes the mounting plate 2 being fixed in shell 1, undertakes electricity in the upper surface of mounting plate 2 Machine 3, the parallel beneath of mounting plate 2 are provided with output shaft 4 and input shaft (not shown), and are also equipped on mounting plate parallel In the fixing axle (not shown) of input shaft, gear A 61 and double-layer gear B62 are fixed on input shaft, in double-layer gear C group Gear according to input shaft and fixed shaft staggered be sleeved and fixed.

As shown in Fig. 2, the outer rim in input shaft is socketed with gear set 6, it is socketed on output shaft 4 and 6 end of gear set The oriental toothed gear 5 of engagement；As shown in Figures 2 and 3, gear set 6 includes the gear A 61 for being rotationally connected with 3 output end of motor, affixed In the double-layer gear B62 on shell 1, and it is engaged in gear A 61 and the double-layer gear C group 63 of double-layer gear B62 respectively.In addition, Gear A 61, double-layer gear B62 and double-layer gear C group 63 are all made of the gear of same specification, according to gear combination quantity How much match with the revolving speed of motor, the design of standardization reduction ratio is realized, to support the torque of different size valve body.

As shown in figure 4, double-layer gear C group 63 includes the double-layer gear 1 engaged with double-layer gear B62, with double-layered tooth Take turns the double-layer gear 2 632 of one 631 engagements, the double-layer gear 3 633 engaged with double-layer gear 2 632, with double-layer gear 3 633 The double-layer gear 4 634 of engagement, and the double-layer gear 5 635 engaged respectively with gear A 61 and double-layer gear 4 634.

Shown in as shown in Figure 2, Figure 3 and Figure 4, gear A 61 is fixed on input shaft, double-layer gear B62, double-layer gear 2 632, double Layer gear 4 634 is socketed on input shaft by bearing；Double-layer gear 1, double-layer gear 3 633, double-layer gear 5 635 pass through Bearing is socketed in fixing axle；

Start motor 3, motor 3 is rotated with driven input shaft, and input shaft drives gear A 61 to rotate, and gear A 61 drives double-layered tooth 5 635 rotations are taken turns, double-layer gear 5 635 drives double-layer gear 4 634 to rotate, and double-layer gear 4 634 drives double-layer gear 3 633 Rotation, double-layer gear 3 633 drive double-layer gear 2 632 to rotate, and double-layer gear 2 632 drives double-layer gear 1 to rotate, double Layer gear 1 drives double-layer gear B62 rotation, and then the oriental toothed gear 5 engaged with double-layer gear B62 is driven to rotate, due to How much the number of gears of double-layer gear C group 63 matches with the revolving speed of motor 3, by double-layer gear C group 63 using three-dimensional compact Topology layout, no matter the quantity of built-up gear is how many, the fixation position according to gear A 61 and double-layer gear B62, will be double-deck 63 successive of gear C group arrangement, therefore, in the case where not changing actuator structure, so that it may increase by 63 internal tooth of double-layer gear C group The number of wheel.

Based on the above technical solution, oriental toothed gear 5 rotates 90 ° of half gear using restriction output shaft 4, with It can satisfy the need of work that output shaft 4 rotates 90 ° under the premise of saving space.

As shown in figure 3, connecting poppet shaft 7 in 4 end of output shaft, spherical valve core 8 is connected, in poppet shaft 7 in order to defeated Shaft 4 delivers power to poppet shaft 7, and poppet shaft 7 delivers power to spherical valve core 8, to realize changing for 8 direction of spherical valve core Become.

Based on the above technical solution, oriental toothed gear 5 and gear set 6 are made of using acetal resin.Due to poly- Formaldehyde resin is thermoplastic crystalline polymer, is known as " supersteel " or " match steel ", also known as polyoxymethylene.The strength of materials, Rigidity is high, and elasticity is good, and anti-attrition wearability is good.Its excellent in mechanical performance, for specific strength up to 50.5MPa, specific stiffness is reachable 2650MPa, very close with metal, mechanical property varies with temperature small, and impact strength is higher, and fatigue strength is very prominent, and 10 After alternate load effect, fatigue strength is up to 35MPa, and PA and PC are only 28MPa, and creep properties is similar to PA, 20 DEG C, Only 2.3% when 21MPa, 3000h, friction factor is small, and wearability is good (this material > PA66 > PA6 > ABS > HPVC > PS > PC), pole Limit that PV value is very big, and self-lubrication is good, be effectively reduced produce cost in enormous quantities while, material property is (anti-corrosion, wear-resisting, steady It ensure that the durability of product well calmly).

The specific embodiment of the utility model is only the explanation to the utility model, is not to the utility model Limitation, those skilled in the art can according to need after reading this specification makes without creative tribute the present embodiment The modification offered, but as long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (6)

1. a kind of driving device for lock valve, including shell (1), the actuator assembly being fixed in shell (1), feature Be, the actuator assembly include be fixed in shell (1) mounting plate (2), be fixed on mounting plate (2) motor (3), The input shaft that connect with motor (3) output end, top are fixed in the gear set (6) of input shaft and engage connection with gear set (6) Output precision, wherein the gear set (6) includes that gear A (61), double-layer gear B (62) and both ends are engaged in gear A respectively (61) and the double-layer gear C group (63) of double-layer gear B (62) installation is parallel to the fixing axle of input shaft, and on mounting plate (2), The gear A (61) and double-layer gear B (62) are fixed on input shaft, and the double-layer gear C group (63) is according to input shaft and fixation It is shaft staggered to be sleeved and fixed.

2. the driving device according to claim 1 for lock valve, which is characterized in that the double-layer gear C group (63) Including the double-layer gear one (631) engaged with double-layer gear B (62), the double-layer gear two that is engaged with double-layer gear one (631) (632), the double-layer gear three (633) engaged with double-layer gear two (632), the double-layer gear engaged with double-layer gear three (633) Four (634), and the double-layer gear five (635) engaged respectively with gear A (61) and double-layer gear four (634).

3. the driving device according to claim 1 for lock valve, which is characterized in that the output precision includes output Axis (4) is socketed on output shaft (4) and engages the oriental toothed gear (5) of connection with gear set (6), and is separately connected output shaft (4) With the poppet shaft (7) of valve body.

4. the driving device according to claim 1 for lock valve, which is characterized in that the gear A (61), double-layered tooth Wheel B (62) and double-layer gear C group (63) are the gears of same specification.

5. the driving device according to claim 3 for lock valve, which is characterized in that the oriental toothed gear (5) is to make Output shaft (4) rotates 90 ° of half gear.

6. the driving device according to claim 3 for lock valve, which is characterized in that the oriental toothed gear (5) and tooth Wheel group (6) is made of using acetal resin.